374220 has 144 divisors (see below), whose sum is σ = 1467648. Its totient is φ = 77760.

The previous prime is 374219. The next prime is 374239. The reversal of 374220 is 22473.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 374193 and 374202.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 374220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34015 + ... + 34025.

It is an arithmetic number, because the mean of its divisors is an integer number (10192).

2³⁷⁴²²⁰ is an apocalyptic number.

374220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 374220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (733824).

374220 is an abundant number, since it is smaller than the sum of its proper divisors (1093428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

374220 is a wasteful number, since it uses less digits than its factorization.

374220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 374220 is about 611.7352368468. The cubic root of 374220 is about 72.0624458249.

Adding to 374220 its reverse (22473), we get a palindrome (396693).

The spelling of 374220 in words is "three hundred seventy-four thousand, two hundred twenty", and thus it is an iban number.