90644095 has 8 divisors (see below), whose sum is σ = 109167264. Its totient is φ = 72252384.

The previous prime is 90644083. The next prime is 90644149. The reversal of 90644095 is 59044609.

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 90644095 - 2⁵ = 90644063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31339 + ... + 34108.

It is an arithmetic number, because the mean of its divisors is an integer number (13645908).

Almost surely, 2^90644095 is an apocalyptic number.

90644095 is a deficient number, since it is larger than the sum of its proper divisors (18523169).

90644095 is a wasteful number, since it uses less digits than its factorization.

90644095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65729.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 90644095 is about 9520.7192480400. The cubic root of 90644095 is about 449.2069901753.

The spelling of 90644095 in words is "ninety million, six hundred forty-four thousand, ninety-five".