90859093 has 8 divisors (see below), whose sum is σ = 97923168. Its totient is φ = 83805744.

The previous prime is 90859079. The next prime is 90859099. The reversal of 90859093 is 39095809.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90859093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90859099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27930 + ... + 31012.

It is an arithmetic number, because the mean of its divisors is an integer number (12240396).

Almost surely, 2^90859093 is an apocalyptic number.

It is an amenable number.

90859093 is a deficient number, since it is larger than the sum of its proper divisors (7064075).

90859093 is a wasteful number, since it uses less digits than its factorization.

90859093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5363.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 90859093 is about 9532.0036193866. The cubic root of 90859093 is about 449.5618665628.

The spelling of 90859093 in words is "ninety million, eight hundred fifty-nine thousand, ninety-three".