376421 has 4 divisors (see below), whose sum is σ = 385644. Its totient is φ = 367200.

The previous prime is 376417. The next prime is 376463. The reversal of 376421 is 124673.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 112225 + 264196 = 335^2 + 514^2 .

It is a cyclic number.

It is not a de Polignac number, because 376421 - 2² = 376417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (376471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4550 + ... + 4631.

It is an arithmetic number, because the mean of its divisors is an integer number (96411).

2³⁷⁶⁴²¹ is an apocalyptic number.

It is an amenable number.

376421 is a deficient number, since it is larger than the sum of its proper divisors (9223).

376421 is an equidigital number, since it uses as much as digits as its factorization.

376421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9222.

The product of its digits is 1008, while the sum is 23.

The square root of 376421 is about 613.5315802793. The cubic root of 376421 is about 72.2034497780.

It can be divided in two parts, 376 and 421, that added together give a palindrome (797).

The spelling of 376421 in words is "three hundred seventy-six thousand, four hundred twenty-one".