93661864 has 16 divisors (see below), whose sum is σ = 176073300. Its totient is φ = 46708992.

The previous prime is 93661861. The next prime is 93661871. The reversal of 93661864 is 46816639.

It can be written as a sum of positive squares in 2 ways, for example, as 73788100 + 19873764 = 8590^2 + 4458^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 93661864.

It is not an unprimeable number, because it can be changed into a prime (93661861) 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, 11937 + ... + 18160.

Almost surely, 2^93661864 is an apocalyptic number.

It is an amenable number.

93661864 is a deficient number, since it is larger than the sum of its proper divisors (82411436).

93661864 is a wasteful number, since it uses less digits than its factorization.

93661864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30492 (or 30488 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 93661864 is about 9677.9059718516. The cubic root of 93661864 is about 454.1377446929.

The spelling of 93661864 in words is "ninety-three million, six hundred sixty-one thousand, eight hundred sixty-four".