396393725 has 48 divisors (see below), whose sum is σ = 609127680. Its totient is φ = 250660800.

The previous prime is 396393719. The next prime is 396393727. The reversal of 396393725 is 527393693.

It is not a de Polignac number, because 396393725 - 2¹⁴ = 396377341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 396393725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396393727) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 383960 + ... + 384990.

It is an arithmetic number, because the mean of its divisors is an integer number (12690160).

Almost surely, 2^396393725 is an apocalyptic number.

396393725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

396393725 is a deficient number, since it is larger than the sum of its proper divisors (212733955).

396393725 is a wasteful number, since it uses less digits than its factorization.

396393725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087 (or 1056 counting only the distinct ones).

The product of its digits is 918540, while the sum is 47.

The square root of 396393725 is about 19909.6389972295. The cubic root of 396393725 is about 734.5853400202.

The spelling of 396393725 in words is "three hundred ninety-six million, three hundred ninety-three thousand, seven hundred twenty-five".