396135764 has 12 divisors (see below), whose sum is σ = 711974004. Its totient is φ = 192714624.

The previous prime is 396135713. The next prime is 396135791. The reversal of 396135764 is 467531693.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 336722500 + 59413264 = 18350^2 + 7708^2 .

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, 1338149 + ... + 1338444.

It is an arithmetic number, because the mean of its divisors is an integer number (59331167).

Almost surely, 2^396135764 is an apocalyptic number.

It is an amenable number.

396135764 is a deficient number, since it is larger than the sum of its proper divisors (315838240).

396135764 is a wasteful number, since it uses less digits than its factorization.

396135764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676634 (or 2676632 counting only the distinct ones).

The product of its digits is 408240, while the sum is 44.

The square root of 396135764 is about 19903.1596486588. The cubic root of 396135764 is about 734.4259568299.

The spelling of 396135764 in words is "three hundred ninety-six million, one hundred thirty-five thousand, seven hundred sixty-four".