6399496 has 16 divisors (see below), whose sum is σ = 12050640. Its totient is φ = 3186000.

The previous prime is 6399467. The next prime is 6399509. The reversal of 6399496 is 6949936.

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, 415 + ... + 3601.

It is an arithmetic number, because the mean of its divisors is an integer number (753165).

Almost surely, 2^6399496 is an apocalyptic number.

It is an amenable number.

6399496 is a deficient number, since it is larger than the sum of its proper divisors (5651144).

6399496 is a wasteful number, since it uses less digits than its factorization.

6399496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444 (or 3440 counting only the distinct ones).

The product of its digits is 314928, while the sum is 46.

The square root of 6399496 is about 2529.7225144272. The cubic root of 6399496 is about 185.6586795483.

The spelling of 6399496 in words is "six million, three hundred ninety-nine thousand, four hundred ninety-six".