90916959 has 8 divisors (see below), whose sum is σ = 138540160. Its totient is φ = 51952536.

The previous prime is 90916933. The next prime is 90916979. The reversal of 90916959 is 95961909.

It is a happy number.

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

It is not a de Polignac number, because 90916959 - 2⁵ = 90916927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90916909) 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, 2164669 + ... + 2164710.

It is an arithmetic number, because the mean of its divisors is an integer number (17317520).

Almost surely, 2^90916959 is an apocalyptic number.

90916959 is a deficient number, since it is larger than the sum of its proper divisors (47623201).

90916959 is a wasteful number, since it uses less digits than its factorization.

90916959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329389.

The product of its (nonzero) digits is 196830, while the sum is 48.

The square root of 90916959 is about 9535.0384896968. The cubic root of 90916959 is about 449.6572847369.

The spelling of 90916959 in words is "ninety million, nine hundred sixteen thousand, nine hundred fifty-nine".