6402044 has 12 divisors (see below), whose sum is σ = 12222168. Its totient is φ = 2910000.

The previous prime is 6402041. The next prime is 6402049. The reversal of 6402044 is 4402046.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72707 + ... + 72794.

It is an arithmetic number, because the mean of its divisors is an integer number (1018514).

Almost surely, 2^6402044 is an apocalyptic number.

It is an amenable number.

6402044 is a deficient number, since it is larger than the sum of its proper divisors (5820124).

6402044 is a wasteful number, since it uses less digits than its factorization.

6402044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145516 (or 145514 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 6402044 is about 2530.2260768556. The cubic root of 6402044 is about 185.6833166731.

The spelling of 6402044 in words is "six million, four hundred two thousand, forty-four".