396358081 has 4 divisors (see below), whose sum is σ = 452980672. Its totient is φ = 339735492.

The previous prime is 396358063. The next prime is 396358091. The reversal of 396358081 is 180853693.

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 a cyclic number.

It is not a de Polignac number, because 396358081 - 2⁵ = 396358049 is a prime.

It is a super-2 number, since 2×396358081² = 314199456748005122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (396358021) 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, 28311285 + ... + 28311298.

It is an arithmetic number, because the mean of its divisors is an integer number (113245168).

Almost surely, 2^396358081 is an apocalyptic number.

It is an amenable number.

396358081 is a deficient number, since it is larger than the sum of its proper divisors (56622591).

396358081 is an equidigital number, since it uses as much as digits as its factorization.

396358081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56622590.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 396358081 is about 19908.7438327987. The cubic root of 396358081 is about 734.5633212183.

The spelling of 396358081 in words is "three hundred ninety-six million, three hundred fifty-eight thousand, eighty-one".