648392952 has 32 divisors (see below), whose sum is σ = 1624769280. Its totient is φ = 215626080.

The previous prime is 648392939. The next prime is 648392981. The reversal of 648392952 is 259293846.

It is a happy number.

648392952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20998 + ... + 41685.

It is an arithmetic number, because the mean of its divisors is an integer number (50774040).

Almost surely, 2^648392952 is an apocalyptic number.

It is an amenable number.

648392952 is an abundant number, since it is smaller than the sum of its proper divisors (976376328).

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

648392952 is a wasteful number, since it uses less digits than its factorization.

648392952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63123 (or 63119 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 648392952 is about 25463.5612591798. The cubic root of 648392952 is about 865.5246250037.

The spelling of 648392952 in words is "six hundred forty-eight million, three hundred ninety-two thousand, nine hundred fifty-two".