652147920 has 60 divisors (see below), whose sum is σ = 2190132516. Its totient is φ = 173905920.

The previous prime is 652147913. The next prime is 652147939. The reversal of 652147920 is 29741256.

652147920 is a `hidden beast` number, since 6 + 521 + 47 + 92 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 283046976 + 369100944 = 16824^2 + 19212^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 452161 + ... + 453600.

Almost surely, 2^652147920 is an apocalyptic number.

652147920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

652147920 is an abundant number, since it is smaller than the sum of its proper divisors (1537984596).

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

652147920 is a wasteful number, since it uses less digits than its factorization.

652147920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905780 (or 905771 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 652147920 is about 25537.1870024872. The cubic root of 652147920 is about 867.1922164146.

The spelling of 652147920 in words is "six hundred fifty-two million, one hundred forty-seven thousand, nine hundred twenty".