653888034 has 24 divisors (see below), whose sum is σ = 1500096780. Its totient is φ = 205141248.

The previous prime is 653888033. The next prime is 653888047. The reversal of 653888034 is 430888356.

653888034 is a `hidden beast` number, since 6 + 538 + 8 + 80 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 644906025 + 8982009 = 25395^2 + 2997^2 .

It is a super-2 number, since 2×653888034² = 855139122016770312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (653888033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1068139 + ... + 1068750.

Almost surely, 2^653888034 is an apocalyptic number.

653888034 is an abundant number, since it is smaller than the sum of its proper divisors (846208746).

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

653888034 is a wasteful number, since it uses less digits than its factorization.

653888034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2136914 (or 2136911 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 653888034 is about 25571.2345028550. The cubic root of 653888034 is about 867.9628356248.

The spelling of 653888034 in words is "six hundred fifty-three million, eight hundred eighty-eight thousand, thirty-four".