406404884 has 12 divisors (see below), whose sum is σ = 711892608. Its totient is φ = 203007000.

The previous prime is 406404881. The next prime is 406404899. The reversal of 406404884 is 488404604.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406404881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44132 + ... + 52539.

It is an arithmetic number, because the mean of its divisors is an integer number (59324384).

Almost surely, 2^406404884 is an apocalyptic number.

It is an amenable number.

406404884 is a deficient number, since it is larger than the sum of its proper divisors (305487724).

406404884 is a wasteful number, since it uses less digits than its factorization.

406404884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97726 (or 97724 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 38.

The square root of 406404884 is about 20159.4862037702. The cubic root of 406404884 is about 740.7181268335.

The spelling of 406404884 in words is "four hundred six million, four hundred four thousand, eight hundred eighty-four".