93864491 has 16 divisors (see below), whose sum is σ = 108724224. Its totient is φ = 79376544.

The previous prime is 93864481. The next prime is 93864493. The reversal of 93864491 is 19446839.

It is a cyclic number.

It is not a de Polignac number, because 93864491 - 2¹⁰ = 93863467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (93864493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244886 + ... + 245268.

It is an arithmetic number, because the mean of its divisors is an integer number (6795264).

Almost surely, 2^93864491 is an apocalyptic number.

93864491 is a deficient number, since it is larger than the sum of its proper divisors (14859733).

93864491 is a wasteful number, since it uses less digits than its factorization.

93864491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770.

The product of its digits is 186624, while the sum is 44.

The square root of 93864491 is about 9688.3688513599. The cubic root of 93864491 is about 454.4650009377.

The spelling of 93864491 in words is "ninety-three million, eight hundred sixty-four thousand, four hundred ninety-one".