396691574 has 8 divisors (see below), whose sum is σ = 605122920. Its totient is φ = 194983936.

The previous prime is 396691573. The next prime is 396691577. The reversal of 396691574 is 475196693.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396691573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1680779 + ... + 1681014.

It is an arithmetic number, because the mean of its divisors is an integer number (75640365).

Almost surely, 2^396691574 is an apocalyptic number.

396691574 is a deficient number, since it is larger than the sum of its proper divisors (208431346).

396691574 is a wasteful number, since it uses less digits than its factorization.

396691574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361854.

The product of its digits is 1224720, while the sum is 50.

The square root of 396691574 is about 19917.1176127471. The cubic root of 396691574 is about 734.7692823291.

The spelling of 396691574 in words is "three hundred ninety-six million, six hundred ninety-one thousand, five hundred seventy-four".