99890589 has 8 divisors (see below), whose sum is σ = 141022080. Its totient is φ = 62676416.

The previous prime is 99890579. The next prime is 99890627. The reversal of 99890589 is 98509899.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99890589 - 2⁴ = 99890573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99890509) 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, 979269 + ... + 979370.

It is an arithmetic number, because the mean of its divisors is an integer number (17627760).

Almost surely, 2^99890589 is an apocalyptic number.

It is an amenable number.

99890589 is a deficient number, since it is larger than the sum of its proper divisors (41131491).

99890589 is a wasteful number, since it uses less digits than its factorization.

99890589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958659.

The product of its (nonzero) digits is 2099520, while the sum is 57.

The square root of 99890589 is about 9994.5279528350. The cubic root of 99890589 is about 463.9895412947.

The spelling of 99890589 in words is "ninety-nine million, eight hundred ninety thousand, five hundred eighty-nine".