6402808 has 8 divisors (see below), whose sum is σ = 12005280. Its totient is φ = 3201400.

The previous prime is 6402787. The next prime is 6402817. The reversal of 6402808 is 8082046.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400168 + ... + 400183.

It is an arithmetic number, because the mean of its divisors is an integer number (1500660).

Almost surely, 2^6402808 is an apocalyptic number.

It is an amenable number.

6402808 is a deficient number, since it is larger than the sum of its proper divisors (5602472).

6402808 is a wasteful number, since it uses less digits than its factorization.

6402808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800357 (or 800353 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 6402808 is about 2530.3770470031. The cubic root of 6402808 is about 185.6907026690.

The spelling of 6402808 in words is "six million, four hundred two thousand, eight hundred eight".