90614881 has 8 divisors (see below), whose sum is σ = 104376320. Its totient is φ = 77057568.

The previous prime is 90614873. The next prime is 90614897. The reversal of 90614881 is 18841609.

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 90614881 - 2³ = 90614873 is a prime.

It is a super-2 number, since 2×90614881² = 16422113317288322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90614881.

It is not an unprimeable number, because it can be changed into a prime (90614801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50076 + ... + 51853.

It is an arithmetic number, because the mean of its divisors is an integer number (13047040).

Almost surely, 2^90614881 is an apocalyptic number.

It is an amenable number.

90614881 is a deficient number, since it is larger than the sum of its proper divisors (13761439).

90614881 is a wasteful number, since it uses less digits than its factorization.

90614881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102063.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 90614881 is about 9519.1848915755. The cubic root of 90614881 is about 449.1587261632.

The spelling of 90614881 in words is "ninety million, six hundred fourteen thousand, eight hundred eighty-one".