653917948 has 6 divisors (see below), whose sum is σ = 1144356416. Its totient is φ = 326958972.

The previous prime is 653917931. The next prime is 653917951. The reversal of 653917948 is 849719356.

It is a happy number.

653917948 is nontrivially palindromic in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 653917895 and 653917904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81739740 + ... + 81739747.

Almost surely, 2^653917948 is an apocalyptic number.

It is an amenable number.

653917948 is a deficient number, since it is larger than the sum of its proper divisors (490438468).

653917948 is a wasteful number, since it uses less digits than its factorization.

653917948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163479491 (or 163479489 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 52.

The square root of 653917948 is about 25571.8194112191. The cubic root of 653917948 is about 867.9760712467.

The spelling of 653917948 in words is "six hundred fifty-three million, nine hundred seventeen thousand, nine hundred forty-eight".