404842832 has 20 divisors (see below), whose sum is σ = 799184340. Its totient is φ = 198601728.

The previous prime is 404842771. The next prime is 404842883. The reversal of 404842832 is 238248404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 101525776 + 303317056 = 10076^2 + 17416^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404842792 and 404842801.

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, 237857 + ... + 239552.

It is an arithmetic number, because the mean of its divisors is an integer number (39959217).

Almost surely, 2^404842832 is an apocalyptic number.

It is an amenable number.

404842832 is a deficient number, since it is larger than the sum of its proper divisors (394341508).

404842832 is a wasteful number, since it uses less digits than its factorization.

404842832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477470 (or 477464 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 35.

The square root of 404842832 is about 20120.7065482304. The cubic root of 404842832 is about 739.7679038374.

The spelling of 404842832 in words is "four hundred four million, eight hundred forty-two thousand, eight hundred thirty-two".