90023086 has 4 divisors (see below), whose sum is σ = 135034632. Its totient is φ = 45011542.

The previous prime is 90023077. The next prime is 90023099. The reversal of 90023086 is 68032009.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22505770 + ... + 22505773.

It is an arithmetic number, because the mean of its divisors is an integer number (33758658).

Almost surely, 2^90023086 is an apocalyptic number.

90023086 is a deficient number, since it is larger than the sum of its proper divisors (45011546).

90023086 is a wasteful number, since it uses less digits than its factorization.

90023086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45011545.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 90023086 is about 9488.0496415228. The cubic root of 90023086 is about 448.1787890502.

The spelling of 90023086 in words is "ninety million, twenty-three thousand, eighty-six".