89786990 has 8 divisors (see below), whose sum is σ = 161616600. Its totient is φ = 35914792.

The previous prime is 89786981. The next prime is 89787011. The reversal of 89786990 is 9968798.

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

It is a congruent number.

It is an unprimeable number.

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, 4489340 + ... + 4489359.

It is an arithmetic number, because the mean of its divisors is an integer number (20202075).

Almost surely, 2^89786990 is an apocalyptic number.

89786990 is a deficient number, since it is larger than the sum of its proper divisors (71829610).

89786990 is a wasteful number, since it uses less digits than its factorization.

89786990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8978706.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The square root of 89786990 is about 9475.5997171683. The cubic root of 89786990 is about 447.7866457250.

The spelling of 89786990 in words is "eighty-nine million, seven hundred eighty-six thousand, nine hundred ninety".