90659361 has 16 divisors (see below), whose sum is σ = 133697984. Its totient is φ = 54281664.

The previous prime is 90659329. The next prime is 90659369. The reversal of 90659361 is 16395609.

It is not a de Polignac number, because 90659361 - 2⁵ = 90659329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90659369) 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 15 ways as a sum of consecutive naturals, for example, 29971 + ... + 32856.

It is an arithmetic number, because the mean of its divisors is an integer number (8356124).

Almost surely, 2^90659361 is an apocalyptic number.

It is an amenable number.

90659361 is a deficient number, since it is larger than the sum of its proper divisors (43038623).

90659361 is a wasteful number, since it uses less digits than its factorization.

90659361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62880.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 90659361 is about 9521.5209394298. The cubic root of 90659361 is about 449.2322067801.

The spelling of 90659361 in words is "ninety million, six hundred fifty-nine thousand, three hundred sixty-one".