7944252 has 12 divisors (see below), whose sum is σ = 18536616. Its totient is φ = 2648080.

The previous prime is 7944241. The next prime is 7944259. The reversal of 7944252 is 2524497.

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

It is a super-2 number, since 2×7944252² = 126222279679008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7944259) 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, 330999 + ... + 331022.

It is an arithmetic number, because the mean of its divisors is an integer number (1544718).

Almost surely, 2^7944252 is an apocalyptic number.

It is an amenable number.

7944252 is an abundant number, since it is smaller than the sum of its proper divisors (10592364).

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

7944252 is a wasteful number, since it uses less digits than its factorization.

7944252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662028 (or 662026 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 7944252 is about 2818.5549489056. The cubic root of 7944252 is about 199.5343500252.

The spelling of 7944252 in words is "seven million, nine hundred forty-four thousand, two hundred fifty-two".