6244428 has 12 divisors (see below), whose sum is σ = 14570360. Its totient is φ = 2081472.

The previous prime is 6244391. The next prime is 6244429. The reversal of 6244428 is 8244426.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6244395 and 6244404.

It is not an unprimeable number, because it can be changed into a prime (6244429) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 260173 + ... + 260196.

Almost surely, 2^6244428 is an apocalyptic number.

It is an amenable number.

6244428 is an abundant number, since it is smaller than the sum of its proper divisors (8325932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6244428 is a wasteful number, since it uses less digits than its factorization.

6244428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520376 (or 520374 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

The square root of 6244428 is about 2498.8853515117. The cubic root of 6244428 is about 184.1468188607.

The spelling of 6244428 in words is "six million, two hundred forty-four thousand, four hundred twenty-eight".