93491664 has 80 divisors (see below), whose sum is σ = 279982080. Its totient is φ = 26328960.

The previous prime is 93491663. The next prime is 93491683. The reversal of 93491664 is 46619439.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93491663) 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, 21897 + ... + 25815.

It is an arithmetic number, because the mean of its divisors is an integer number (3499776).

Almost surely, 2^93491664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 93491664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139991040).

93491664 is an abundant number, since it is smaller than the sum of its proper divisors (186490416).

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

93491664 is a wasteful number, since it uses less digits than its factorization.

93491664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4008 (or 4002 counting only the distinct ones).

The product of its digits is 139968, while the sum is 42.

The square root of 93491664 is about 9669.1087490006. The cubic root of 93491664 is about 453.8624953109.

The spelling of 93491664 in words is "ninety-three million, four hundred ninety-one thousand, six hundred sixty-four".