396057 has 4 divisors (see below), whose sum is σ = 528080. Its totient is φ = 264036.

The previous prime is 396043. The next prime is 396061. The reversal of 396057 is 750693.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 396057 - 2⁴ = 396041 is a prime.

It is a super-2 number, since 2×396057² = 313722294498, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 396057.

It is not an unprimeable number, because it can be changed into a prime (396157) 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, 66007 + ... + 66012.

It is an arithmetic number, because the mean of its divisors is an integer number (132020).

2³⁹⁶⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

396057 is a deficient number, since it is larger than the sum of its proper divisors (132023).

396057 is a wasteful number, since it uses less digits than its factorization.

396057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132022.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 396057 is about 629.3305967455. The cubic root of 396057 is about 73.4377278098.

The spelling of 396057 in words is "three hundred ninety-six thousand, fifty-seven".