379401660 has 144 divisors (see below), whose sum is σ = 1270170720. Its totient is φ = 90900480.

The previous prime is 379401643. The next prime is 379401661. The reversal of 379401660 is 66104973.

It is a super-2 number, since 2×379401660² = 287891239221511200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379401661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 175144 + ... + 177296.

It is an arithmetic number, because the mean of its divisors is an integer number (8820630).

Almost surely, 2^379401660 is an apocalyptic number.

379401660 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 379401660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635085360).

379401660 is an abundant number, since it is smaller than the sum of its proper divisors (890769060).

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

379401660 is a wasteful number, since it uses less digits than its factorization.

379401660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268 (or 2263 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 379401660 is about 19478.2355463733. The cubic root of 379401660 is about 723.9352805817.

The spelling of 379401660 in words is "three hundred seventy-nine million, four hundred one thousand, six hundred sixty".