90416793 has 4 divisors (see below), whose sum is σ = 120555728. Its totient is φ = 60277860.

The previous prime is 90416773. The next prime is 90416803. The reversal of 90416793 is 39761409.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39761409 = 3 ⋅13253803.

It is not a de Polignac number, because 90416793 - 2⁸ = 90416537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90416723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15069463 + ... + 15069468.

It is an arithmetic number, because the mean of its divisors is an integer number (30138932).

Almost surely, 2^90416793 is an apocalyptic number.

It is an amenable number.

90416793 is a deficient number, since it is larger than the sum of its proper divisors (30138935).

90416793 is a wasteful number, since it uses less digits than its factorization.

90416793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30138934.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 90416793 is about 9508.7745267200. The cubic root of 90416793 is about 448.8311939944.

The spelling of 90416793 in words is "ninety million, four hundred sixteen thousand, seven hundred ninety-three".