6300644 has 12 divisors (see below), whose sum is σ = 12601344. Its totient is φ = 2700264.

The previous prime is 6300641. The next prime is 6300649. The reversal of 6300644 is 4460036.

6300644 is an admirable number.

It is a super-2 number, since 2×6300644² = 79396229629472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6300641) 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, 112484 + ... + 112539.

It is an arithmetic number, because the mean of its divisors is an integer number (1050112).

Almost surely, 2^6300644 is an apocalyptic number.

It is an amenable number.

6300644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6300644 is a wasteful number, since it uses less digits than its factorization.

6300644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225034 (or 225032 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 6300644 is about 2510.1083641947. The cubic root of 6300644 is about 184.6977680214.

The spelling of 6300644 in words is "six million, three hundred thousand, six hundred forty-four".