93718990 has 8 divisors (see below), whose sum is σ = 168694200. Its totient is φ = 37487592.

The previous prime is 93718967. The next prime is 93718991. The reversal of 93718990 is 9981739.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 93718990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93718991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4685940 + ... + 4685959.

It is an arithmetic number, because the mean of its divisors is an integer number (21086775).

Almost surely, 2^93718990 is an apocalyptic number.

93718990 is a deficient number, since it is larger than the sum of its proper divisors (74975210).

93718990 is a wasteful number, since it uses less digits than its factorization.

93718990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9371906.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 93718990 is about 9680.8568835615. The cubic root of 93718990 is about 454.2300547648.

The spelling of 93718990 in words is "ninety-three million, seven hundred eighteen thousand, nine hundred ninety".