207993312 has 48 divisors (see below), whose sum is σ = 606649680. Its totient is φ = 69330816.

The previous prime is 207993281. The next prime is 207993329. The reversal of 207993312 is 213399702.

207993312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×207993312² = 86522435673458688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119503 + ... + 121230.

It is an arithmetic number, because the mean of its divisors is an integer number (12638535).

Almost surely, 2^207993312 is an apocalyptic number.

It is an amenable number.

207993312 is an abundant number, since it is smaller than the sum of its proper divisors (398656368).

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

207993312 is a wasteful number, since it uses less digits than its factorization.

207993312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240752 (or 240738 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 207993312 is about 14421.9732353101. The cubic root of 207993312 is about 592.4928632372.

The spelling of 207993312 in words is "two hundred seven million, nine hundred ninety-three thousand, three hundred twelve".