404685006 has 32 divisors (see below), whose sum is σ = 904490496. Its totient is φ = 119640000.

The previous prime is 404684957. The next prime is 404685011. The reversal of 404685006 is 600586404.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72070 + ... + 77481.

It is an arithmetic number, because the mean of its divisors is an integer number (28265328).

Almost surely, 2^404685006 is an apocalyptic number.

404685006 is an abundant number, since it is smaller than the sum of its proper divisors (499805490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404685006 is a wasteful number, since it uses less digits than its factorization.

404685006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149608.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 404685006 is about 20116.7841863455. The cubic root of 404685006 is about 739.6717597083.

It can be divided in two parts, 40468500 and 6, that added together give a triangular number (40468506 = T₈₉₉₆).

The spelling of 404685006 in words is "four hundred four million, six hundred eighty-five thousand, six".