93108990 has 64 divisors (see below), whose sum is σ = 242093376. Its totient is φ = 22781952.

The previous prime is 93108959. The next prime is 93109031. The reversal of 93108990 is 9980139.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74652 + ... + 75888.

It is an arithmetic number, because the mean of its divisors is an integer number (3782709).

Almost surely, 2^93108990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 93108990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121046688).

93108990 is an abundant number, since it is smaller than the sum of its proper divisors (148984386).

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

93108990 is a wasteful number, since it uses less digits than its factorization.

93108990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 93108990 is about 9649.2999746096. The cubic root of 93108990 is about 453.2424083551.

The spelling of 93108990 in words is "ninety-three million, one hundred eight thousand, nine hundred ninety".