90296515 has 4 divisors (see below), whose sum is σ = 108355824. Its totient is φ = 72237208.

The previous prime is 90296489. The next prime is 90296519. The reversal of 90296515 is 51569209.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 90296515 - 2¹⁹ = 89772227 is a prime.

It is a super-2 number, since 2×90296515² = 16306921242290450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90296519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9029647 + ... + 9029656.

It is an arithmetic number, because the mean of its divisors is an integer number (27088956).

Almost surely, 2^90296515 is an apocalyptic number.

90296515 is a deficient number, since it is larger than the sum of its proper divisors (18059309).

90296515 is a wasteful number, since it uses less digits than its factorization.

90296515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18059308.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 90296515 is about 9502.4478425298. The cubic root of 90296515 is about 448.6320846914.

The spelling of 90296515 in words is "ninety million, two hundred ninety-six thousand, five hundred fifteen".