90361589 has 8 divisors (see below), whose sum is σ = 92421120. Its totient is φ = 88307856.

The previous prime is 90361577. The next prime is 90361603. The reversal of 90361589 is 98516309.

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 90361589 - 2⁸ = 90361333 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 (90361489) 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, 50492 + ... + 52250.

It is an arithmetic number, because the mean of its divisors is an integer number (11552640).

Almost surely, 2^90361589 is an apocalyptic number.

It is an amenable number.

90361589 is a deficient number, since it is larger than the sum of its proper divisors (2059531).

90361589 is a wasteful number, since it uses less digits than its factorization.

90361589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 90361589 is about 9505.8712909443. The cubic root of 90361589 is about 448.7398307247.

The spelling of 90361589 in words is "ninety million, three hundred sixty-one thousand, five hundred eighty-nine".