396052257 has 8 divisors (see below), whose sum is σ = 529449984. Its totient is φ = 263344688.

The previous prime is 396052253. The next prime is 396052273. The reversal of 396052257 is 752250693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 396052257 - 2² = 396052253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396052253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171198 + ... + 173495.

It is an arithmetic number, because the mean of its divisors is an integer number (66181248).

Almost surely, 2^396052257 is an apocalyptic number.

It is an amenable number.

396052257 is a deficient number, since it is larger than the sum of its proper divisors (133397727).

396052257 is a wasteful number, since it uses less digits than its factorization.

396052257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345079.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 396052257 is about 19901.0617053463. The cubic root of 396052257 is about 734.3743465623.

The spelling of 396052257 in words is "three hundred ninety-six million, fifty-two thousand, two hundred fifty-seven".