89988465 has 64 divisors (see below), whose sum is σ = 177408000. Its totient is φ = 38029824.

The previous prime is 89988449. The next prime is 89988467. The reversal of 89988465 is 56488998.

It is not a de Polignac number, because 89988465 - 2⁴ = 89988449 is a prime.

It is a super-3 number, since 3×89988465³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (89988467) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85261 + ... + 86309.

It is an arithmetic number, because the mean of its divisors is an integer number (2772000).

Almost surely, 2^89988465 is an apocalyptic number.

It is an amenable number.

89988465 is a deficient number, since it is larger than the sum of its proper divisors (87419535).

89988465 is a wasteful number, since it uses less digits than its factorization.

89988465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126.

The product of its digits is 4976640, while the sum is 57.

The square root of 89988465 is about 9486.2250131441. The cubic root of 89988465 is about 448.1213282808.

The spelling of 89988465 in words is "eighty-nine million, nine hundred eighty-eight thousand, four hundred sixty-five".