6402506 has 48 divisors (see below), whose sum is σ = 11936160. Its totient is φ = 2545920.

The previous prime is 6402493. The next prime is 6402527. The reversal of 6402506 is 6052046.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120776 + ... + 120828.

It is an arithmetic number, because the mean of its divisors is an integer number (248670).

Almost surely, 2^6402506 is an apocalyptic number.

6402506 is a deficient number, since it is larger than the sum of its proper divisors (5533654).

6402506 is a wasteful number, since it uses less digits than its factorization.

6402506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 6402506 is about 2530.3173713983. The cubic root of 6402506 is about 185.6877831440.

The spelling of 6402506 in words is "six million, four hundred two thousand, five hundred six".