90633995 has 8 divisors (see below), whose sum is σ = 109277520. Its totient is φ = 72162720.

The previous prime is 90633943. The next prime is 90633997. The reversal of 90633995 is 59933609.

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

It is a de Polignac number, because none of the positive numbers 2^k-90633995 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90633997) 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, 41900 + ... + 44009.

It is an arithmetic number, because the mean of its divisors is an integer number (13659690).

Almost surely, 2^90633995 is an apocalyptic number.

90633995 is a deficient number, since it is larger than the sum of its proper divisors (18643525).

90633995 is a wasteful number, since it uses less digits than its factorization.

90633995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86125.

The product of its (nonzero) digits is 196830, while the sum is 44.

The square root of 90633995 is about 9520.1888111529. The cubic root of 90633995 is about 449.1903052895.

The spelling of 90633995 in words is "ninety million, six hundred thirty-three thousand, nine hundred ninety-five".