205672964 has 12 divisors (see below), whose sum is σ = 411345984. Its totient is φ = 88145544.

The previous prime is 205672963. The next prime is 205672991. The reversal of 205672964 is 469276502.

205672964 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (205672963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3672704 + ... + 3672759.

It is an arithmetic number, because the mean of its divisors is an integer number (34278832).

Almost surely, 2^205672964 is an apocalyptic number.

It is an amenable number.

205672964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

205672964 is a wasteful number, since it uses less digits than its factorization.

205672964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7345474 (or 7345472 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 205672964 is about 14341.3027302264. The cubic root of 205672964 is about 590.2813596273.

The spelling of 205672964 in words is "two hundred five million, six hundred seventy-two thousand, nine hundred sixty-four".