404902 has 8 divisors (see below), whose sum is σ = 610056. Its totient is φ = 201552.

The previous prime is 404851. The next prime is 404941. The reversal of 404902 is 209404.

404902 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 404902.

It is a congruent number.

It is an unprimeable number.

404902 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658 + ... + 1114.

It is an arithmetic number, because the mean of its divisors is an integer number (76257).

2⁴⁰⁴⁹⁰² is an apocalyptic number.

404902 is a deficient number, since it is larger than the sum of its proper divisors (205154).

404902 is a wasteful number, since it uses less digits than its factorization.

404902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 404902 is about 636.3191023378. The cubic root of 404902 is about 73.9803941242.

The spelling of 404902 in words is "four hundred four thousand, nine hundred two".