90634093 has 8 divisors (see below), whose sum is σ = 100126080. Its totient is φ = 81350880.

The previous prime is 90634087. The next prime is 90634097. The reversal of 90634093 is 39043609.

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

It is a cyclic number.

It is not a de Polignac number, because 90634093 - 2⁹ = 90633581 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 (90634097) 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, 51280 + ... + 53017.

It is an arithmetic number, because the mean of its divisors is an integer number (12515760).

Almost surely, 2^90634093 is an apocalyptic number.

It is an amenable number.

90634093 is a deficient number, since it is larger than the sum of its proper divisors (9491987).

90634093 is a wasteful number, since it uses less digits than its factorization.

90634093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104387.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 90634093 is about 9520.1939581082. The cubic root of 90634093 is about 449.1904671884.

The spelling of 90634093 in words is "ninety million, six hundred thirty-four thousand, ninety-three".