404784063 has 12 divisors (see below), whose sum is σ = 590478408. Its totient is φ = 267183600.

The previous prime is 404784053. The next prime is 404784067. The reversal of 404784063 is 360487404.

It is not a de Polignac number, because 404784063 - 2⁵ = 404784031 is a prime.

It is a super-3 number, since 3×404784063³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404784067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221745 + ... + 223562.

It is an arithmetic number, because the mean of its divisors is an integer number (49206534).

Almost surely, 2^404784063 is an apocalyptic number.

404784063 is a deficient number, since it is larger than the sum of its proper divisors (185694345).

404784063 is a wasteful number, since it uses less digits than its factorization.

404784063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445414 (or 445411 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 404784063 is about 20119.2460842846. The cubic root of 404784063 is about 739.7321059752.

The spelling of 404784063 in words is "four hundred four million, seven hundred eighty-four thousand, sixty-three".