90914861 has 8 divisors (see below), whose sum is σ = 97619904. Its totient is φ = 84360640.

The previous prime is 90914851. The next prime is 90914891. The reversal of 90914861 is 16841909.

It is a happy number.

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 90914861 - 2¹⁴ = 90898477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90914801) 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, 36455 + ... + 38868.

It is an arithmetic number, because the mean of its divisors is an integer number (12202488).

Almost surely, 2^90914861 is an apocalyptic number.

It is an amenable number.

90914861 is a deficient number, since it is larger than the sum of its proper divisors (6705043).

90914861 is a wasteful number, since it uses less digits than its factorization.

90914861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75411.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 90914861 is about 9534.9284737747. The cubic root of 90914861 is about 449.6538259461.

The spelling of 90914861 in words is "ninety million, nine hundred fourteen thousand, eight hundred sixty-one".