6344428 has 12 divisors (see below), whose sum is σ = 11131120. Its totient is φ = 3164112.

The previous prime is 6344413. The next prime is 6344441. The reversal of 6344428 is 8244436.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6344428.

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, 51 + ... + 3562.

Almost surely, 2^6344428 is an apocalyptic number.

It is an amenable number.

6344428 is a deficient number, since it is larger than the sum of its proper divisors (4786692).

6344428 is a wasteful number, since it uses less digits than its factorization.

6344428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4056 (or 4054 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 6344428 is about 2518.8148006553. The cubic root of 6344428 is about 185.1246104714.

The spelling of 6344428 in words is "six million, three hundred forty-four thousand, four hundred twenty-eight".