396464612 has 6 divisors (see below), whose sum is σ = 693813078. Its totient is φ = 198232304.

The previous prime is 396464591. The next prime is 396464617. The reversal of 396464612 is 216464693.

It can be written as a sum of positive squares in only one way, i.e., 338339236 + 58125376 = 18394^2 + 7624^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 396464612.

It is not an unprimeable number, because it can be changed into a prime (396464617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49558073 + ... + 49558080.

It is an arithmetic number, because the mean of its divisors is an integer number (115635513).

Almost surely, 2^396464612 is an apocalyptic number.

It is an amenable number.

396464612 is a deficient number, since it is larger than the sum of its proper divisors (297348466).

396464612 is a wasteful number, since it uses less digits than its factorization.

396464612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99116157 (or 99116155 counting only the distinct ones).

The product of its digits is 186624, while the sum is 41.

The square root of 396464612 is about 19911.4191357623. The cubic root of 396464612 is about 734.6291259868.

The spelling of 396464612 in words is "three hundred ninety-six million, four hundred sixty-four thousand, six hundred twelve".