653949356 has 12 divisors (see below), whose sum is σ = 1148544768. Its totient is φ = 325793712.

The previous prime is 653949347. The next prime is 653949377.

653949356 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293996 + ... + 296211.

It is an arithmetic number, because the mean of its divisors is an integer number (95712064).

Almost surely, 2^653949356 is an apocalyptic number.

It is an amenable number.

653949356 is a deficient number, since it is larger than the sum of its proper divisors (494595412).

653949356 is a wasteful number, since it uses less digits than its factorization.

653949356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590488 (or 590486 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 50.

The square root of 653949356 is about 25572.4335173640. The cubic root of 653949356 is about 867.9899674632.

The spelling of 653949356 in words is "six hundred fifty-three million, nine hundred forty-nine thousand, three hundred fifty-six".