404635652 has 12 divisors (see below), whose sum is σ = 716069340. Its totient is φ = 200044416.

The previous prime is 404635639. The next prime is 404635669. The reversal of 404635652 is 256536404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 128278276 + 276357376 = 11326^2 + 16624^2 .

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, 567953 + ... + 568664.

It is an arithmetic number, because the mean of its divisors is an integer number (59672445).

Almost surely, 2^404635652 is an apocalyptic number.

It is an amenable number.

404635652 is a deficient number, since it is larger than the sum of its proper divisors (311433688).

404635652 is a wasteful number, since it uses less digits than its factorization.

404635652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136710 (or 1136708 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 404635652 is about 20115.5574618254. The cubic root of 404635652 is about 739.6416892060.

It can be divided in two parts, 404 and 635652, that added together give a cube (636056 = 86³).

The spelling of 404635652 in words is "four hundred four million, six hundred thirty-five thousand, six hundred fifty-two".