653872 has 10 divisors (see below), whose sum is σ = 1266908. Its totient is φ = 326928.

The previous prime is 653831. The next prime is 653879. The reversal of 653872 is 278356.

653872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (653879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20418 + ... + 20449.

2⁶⁵³⁸⁷² is an apocalyptic number.

It is an amenable number.

653872 is a deficient number, since it is larger than the sum of its proper divisors (613036).

653872 is a wasteful number, since it uses less digits than its factorization.

653872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40875 (or 40869 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 653872 is about 808.6235217949. The cubic root of 653872 is about 86.7955741123.

The spelling of 653872 in words is "six hundred fifty-three thousand, eight hundred seventy-two".