90326217 has 8 divisors (see below), whose sum is σ = 120486496. Its totient is φ = 60191712.

The previous prime is 90326191. The next prime is 90326233. The reversal of 90326217 is 71262309.

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

It is not a de Polignac number, because 90326217 - 2⁶ = 90326153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90326317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4293 + ... + 14109.

It is an arithmetic number, because the mean of its divisors is an integer number (15060812).

Almost surely, 2^90326217 is an apocalyptic number.

It is an amenable number.

90326217 is a deficient number, since it is larger than the sum of its proper divisors (30160279).

90326217 is a wasteful number, since it uses less digits than its factorization.

90326217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12887.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 90326217 is about 9504.0105744891. The cubic root of 90326217 is about 448.6812700868.

The spelling of 90326217 in words is "ninety million, three hundred twenty-six thousand, two hundred seventeen".