6644952 has 48 divisors (see below), whose sum is σ = 18443880. Its totient is φ = 2160000.

The previous prime is 6644933. The next prime is 6644959. The reversal of 6644952 is 2594466.

6644952 is a `hidden beast` number, since 6 + 644 + 9 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6644959) 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 11 ways as a sum of consecutive naturals, for example, 1827 + ... + 4077.

Almost surely, 2^6644952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6644952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9221940).

6644952 is an abundant number, since it is smaller than the sum of its proper divisors (11798928).

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

6644952 is a wasteful number, since it uses less digits than its factorization.

6644952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304 (or 2297 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 6644952 is about 2577.7804406117. The cubic root of 6644952 is about 188.0026406751.

The spelling of 6644952 in words is "six million, six hundred forty-four thousand, nine hundred fifty-two".