396207685 has 8 divisors (see below), whose sum is σ = 478870560. Its totient is φ = 314685264.

The previous prime is 396207677. The next prime is 396207689. The reversal of 396207685 is 586702693.

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 396207685 - 2³ = 396207677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396207689) 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, 284347 + ... + 285736.

It is an arithmetic number, because the mean of its divisors is an integer number (59858820).

Almost surely, 2^396207685 is an apocalyptic number.

It is an amenable number.

396207685 is a deficient number, since it is larger than the sum of its proper divisors (82662875).

396207685 is a wasteful number, since it uses less digits than its factorization.

396207685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570227.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 396207685 is about 19904.9663400871. The cubic root of 396207685 is about 734.4704007283.

The spelling of 396207685 in words is "three hundred ninety-six million, two hundred seven thousand, six hundred eighty-five".