396757398 has 16 divisors (see below), whose sum is σ = 799764480. Its totient is φ = 131210856.

The previous prime is 396757379. The next prime is 396757421. The reversal of 396757398 is 893757693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259578 + ... + 261101.

It is an arithmetic number, because the mean of its divisors is an integer number (49985280).

Almost surely, 2^396757398 is an apocalyptic number.

396757398 is an abundant number, since it is smaller than the sum of its proper divisors (403007082).

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

396757398 is a wasteful number, since it uses less digits than its factorization.

396757398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520811.

The product of its digits is 8573040, while the sum is 57.

The square root of 396757398 is about 19918.7699921456. The cubic root of 396757398 is about 734.8099207676.

The spelling of 396757398 in words is "three hundred ninety-six million, seven hundred fifty-seven thousand, three hundred ninety-eight".