404242286 has 16 divisors (see below), whose sum is σ = 733751136. Its totient is φ = 163055616.

The previous prime is 404242259. The next prime is 404242291. The reversal of 404242286 is 682242404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849011 + ... + 849486.

It is an arithmetic number, because the mean of its divisors is an integer number (45859446).

Almost surely, 2^404242286 is an apocalyptic number.

404242286 is a deficient number, since it is larger than the sum of its proper divisors (329508850).

404242286 is a wasteful number, since it uses less digits than its factorization.

404242286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698523.

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 404242286 is about 20105.7774283911. Note that the first 3 decimals coincide. The cubic root of 404242286 is about 739.4019309409.

The spelling of 404242286 in words is "four hundred four million, two hundred forty-two thousand, two hundred eighty-six".