89996590 has 32 divisors (see below), whose sum is σ = 165818016. Its totient is φ = 35159040.

The previous prime is 89996579. The next prime is 89996593. The reversal of 89996590 is 9569998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89996593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81945 + ... + 83035.

It is an arithmetic number, because the mean of its divisors is an integer number (5181813).

Almost surely, 2^89996590 is an apocalyptic number.

89996590 is a deficient number, since it is larger than the sum of its proper divisors (75821426).

89996590 is a wasteful number, since it uses less digits than its factorization.

89996590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284.

The product of its (nonzero) digits is 1574640, while the sum is 55.

The square root of 89996590 is about 9486.6532560224. The cubic root of 89996590 is about 448.1348147360.

The spelling of 89996590 in words is "eighty-nine million, nine hundred ninety-six thousand, five hundred ninety".