396545692 has 12 divisors (see below), whose sum is σ = 695688336. Its totient is φ = 197777600.

The previous prime is 396545683. The next prime is 396545711. The reversal of 396545692 is 296545693.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122008 + ... + 125215.

It is an arithmetic number, because the mean of its divisors is an integer number (57974028).

Almost surely, 2^396545692 is an apocalyptic number.

It is an amenable number.

396545692 is a deficient number, since it is larger than the sum of its proper divisors (299142644).

396545692 is a wasteful number, since it uses less digits than its factorization.

396545692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247628 (or 247626 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 49.

The square root of 396545692 is about 19913.4550492877. The cubic root of 396545692 is about 734.6792016369.

Subtracting from 396545692 its reverse (296545693), we obtain a palindrome (99999999).

The spelling of 396545692 in words is "three hundred ninety-six million, five hundred forty-five thousand, six hundred ninety-two".