90032317 has 6 divisors (see below), whose sum is σ = 95020638. Its totient is φ = 85293432.

The previous prime is 90032303. The next prime is 90032321. The reversal of 90032317 is 71323009.

It can be written as a sum of positive squares in only one way, i.e., 80084601 + 9947716 = 8949^2 + 3154^2 .

It is not a de Polignac number, because 90032317 - 2¹⁵ = 89999549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90032291 and 90032300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90032387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124338 + ... + 125059.

It is an arithmetic number, because the mean of its divisors is an integer number (15836773).

Almost surely, 2^90032317 is an apocalyptic number.

It is an amenable number.

90032317 is a deficient number, since it is larger than the sum of its proper divisors (4988321).

90032317 is a wasteful number, since it uses less digits than its factorization.

90032317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249435 (or 249416 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 90032317 is about 9488.5360830847. The cubic root of 90032317 is about 448.1941073321.

The spelling of 90032317 in words is "ninety million, thirty-two thousand, three hundred seventeen".