90686315 has 8 divisors (see below), whose sum is σ = 112334208. Its totient is φ = 70208640.

The previous prime is 90686311. The next prime is 90686327. The reversal of 90686315 is 51368609.

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

It is not a de Polignac number, because 90686315 - 2² = 90686311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90686311) 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, 292382 + ... + 292691.

It is an arithmetic number, because the mean of its divisors is an integer number (14041776).

Almost surely, 2^90686315 is an apocalyptic number.

90686315 is a deficient number, since it is larger than the sum of its proper divisors (21647893).

90686315 is a wasteful number, since it uses less digits than its factorization.

90686315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585109.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 90686315 is about 9522.9362593687. The cubic root of 90686315 is about 449.2767228859.

The spelling of 90686315 in words is "ninety million, six hundred eighty-six thousand, three hundred fifteen".