93320640 has 224 divisors, whose sum is σ = 376488960. Its totient is φ = 21316608.

The previous prime is 93320639. The next prime is 93320659. The reversal of 93320640 is 4602339.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59709 + ... + 61251.

Almost surely, 2^93320640 is an apocalyptic number.

93320640 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 93320640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188244480).

93320640 is an abundant number, since it is smaller than the sum of its proper divisors (283168320).

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

93320640 is a wasteful number, since it uses less digits than its factorization.

93320640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 1560 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 93320640 is about 9660.2608660429. The cubic root of 93320640 is about 453.5855766529.

Adding to 93320640 its reverse (4602339), we get a palindrome (97922979).

The spelling of 93320640 in words is "ninety-three million, three hundred twenty thousand, six hundred forty".