6404488 has 16 divisors (see below), whose sum is σ = 12530880. Its totient is φ = 3062928.

The previous prime is 6404477. The next prime is 6404521. The reversal of 6404488 is 8844046.

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, 17220 + ... + 17587.

It is an arithmetic number, because the mean of its divisors is an integer number (783180).

Almost surely, 2^6404488 is an apocalyptic number.

It is an amenable number.

6404488 is a deficient number, since it is larger than the sum of its proper divisors (6126392).

6404488 is a wasteful number, since it uses less digits than its factorization.

6404488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34836 (or 34832 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 6404488 is about 2530.7089915674. The cubic root of 6404488 is about 185.7069420596.

The spelling of 6404488 in words is "six million, four hundred four thousand, four hundred eighty-eight".