207738964 has 24 divisors (see below), whose sum is σ = 373195368. Its totient is φ = 101122560.

The previous prime is 207738961. The next prime is 207739003. The reversal of 207738964 is 469837702.

207738964 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7290000 + 200448964 = 2700^2 + 14158^2 .

207738964 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207738961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100162 + ... + 102214.

It is an arithmetic number, because the mean of its divisors is an integer number (15549807).

Almost surely, 2^207738964 is an apocalyptic number.

It is an amenable number.

207738964 is a deficient number, since it is larger than the sum of its proper divisors (165456404).

207738964 is a wasteful number, since it uses less digits than its factorization.

207738964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715 (or 2713 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 207738964 is about 14413.1524657169. The cubic root of 207738964 is about 592.2512515503.

It can be divided in two parts, 2077 and 38964, that added together give a triangular number (41041 = T₂₈₆).

The spelling of 207738964 in words is "two hundred seven million, seven hundred thirty-eight thousand, nine hundred sixty-four".