90317297 has 8 divisors (see below), whose sum is σ = 107707776. Its totient is φ = 74048832.

The previous prime is 90317287. The next prime is 90317341. The reversal of 90317297 is 79271309.

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 90317297 - 2¹⁰ = 90316273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90317297.

It is not an unprimeable number, because it can be changed into a prime (90317207) 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, 280328 + ... + 280649.

It is an arithmetic number, because the mean of its divisors is an integer number (13463472).

Almost surely, 2^90317297 is an apocalyptic number.

It is an amenable number.

90317297 is a deficient number, since it is larger than the sum of its proper divisors (17390479).

90317297 is a wasteful number, since it uses less digits than its factorization.

90317297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561007.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 90317297 is about 9503.5412873307. The cubic root of 90317297 is about 448.6665000351. Note that the first 3 decimals are identical.

The spelling of 90317297 in words is "ninety million, three hundred seventeen thousand, two hundred ninety-seven".