653956428 has 24 divisors (see below), whose sum is σ = 1526999040. Its totient is φ = 217828240.

The previous prime is 653956423. The next prime is 653956441. The reversal of 653956428 is 824659356.

It is a hoax number, since the sum of its digits (48) 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 (653956423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1668 + ... + 36203.

It is an arithmetic number, because the mean of its divisors is an integer number (63624960).

Almost surely, 2^653956428 is an apocalyptic number.

It is an amenable number.

653956428 is an abundant number, since it is smaller than the sum of its proper divisors (873042612).

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

653956428 is a wasteful number, since it uses less digits than its factorization.

653956428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39317 (or 39315 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 48.

The square root of 653956428 is about 25572.5717908856. The cubic root of 653956428 is about 867.9930963512.

The spelling of 653956428 in words is "six hundred fifty-three million, nine hundred fifty-six thousand, four hundred twenty-eight".