404388484 has 12 divisors (see below), whose sum is σ = 738448704. Its totient is φ = 193403144.

The previous prime is 404388473. The next prime is 404388539. The reversal of 404388484 is 484883404.

It is a self number, because there is not a number n which added to its sum of digits gives 404388484.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2197672 + ... + 2197855.

It is an arithmetic number, because the mean of its divisors is an integer number (61537392).

Almost surely, 2^404388484 is an apocalyptic number.

It is an amenable number.

404388484 is a deficient number, since it is larger than the sum of its proper divisors (334060220).

404388484 is a wasteful number, since it uses less digits than its factorization.

404388484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4395554 (or 4395552 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 43.

The square root of 404388484 is about 20109.4128208658. The cubic root of 404388484 is about 739.4910574030.

The spelling of 404388484 in words is "four hundred four million, three hundred eighty-eight thousand, four hundred eighty-four".