404605364 has 12 divisors (see below), whose sum is σ = 708416100. Its totient is φ = 202200768.

The previous prime is 404605309. The next prime is 404605381. The reversal of 404605364 is 463506404.

It can be written as a sum of positive squares in 2 ways, for example, as 145395364 + 259210000 = 12058^2 + 16100^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 404605364.

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, 16169 + ... + 32720.

It is an arithmetic number, because the mean of its divisors is an integer number (59034675).

Almost surely, 2^404605364 is an apocalyptic number.

It is an amenable number.

404605364 is a deficient number, since it is larger than the sum of its proper divisors (303810736).

404605364 is a wasteful number, since it uses less digits than its factorization.

404605364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50962 (or 50960 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 404605364 is about 20114.8045976092. The cubic root of 404605364 is about 739.6232340630.

The spelling of 404605364 in words is "four hundred four million, six hundred five thousand, three hundred sixty-four".