653999996 has 96 divisors (see below), whose sum is σ = 1369146240. Its totient is φ = 270434304.

The previous prime is 653999977. The next prime is 654000059. The reversal of 653999996 is 699999356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2486561 + ... + 2486823.

It is an arithmetic number, because the mean of its divisors is an integer number (14261940).

Almost surely, 2^653999996 is an apocalyptic number.

It is an amenable number.

653999996 is an abundant number, since it is smaller than the sum of its proper divisors (715146244).

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

653999996 is a wasteful number, since it uses less digits than its factorization.

653999996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 421 counting only the distinct ones).

The product of its digits is 31886460, while the sum is 65.

The square root of 653999996 is about 25573.4236268827. The cubic root of 653999996 is about 868.0123717860.

The spelling of 653999996 in words is "six hundred fifty-three million, nine hundred ninety-nine thousand, nine hundred ninety-six".