89155902 has 16 divisors (see below), whose sum is σ = 194522112. Its totient is φ = 27016920.

The previous prime is 89155897. The next prime is 89155909. The reversal of 89155902 is 20955198.

It is a super-2 number, since 2×89155902² = 15897549722867208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89155909) 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 7 ways as a sum of consecutive naturals, for example, 675358 + ... + 675489.

It is an arithmetic number, because the mean of its divisors is an integer number (12157632).

Almost surely, 2^89155902 is an apocalyptic number.

89155902 is an abundant number, since it is smaller than the sum of its proper divisors (105366210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89155902 is a wasteful number, since it uses less digits than its factorization.

89155902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350863.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 89155902 is about 9442.2403061985. The cubic root of 89155902 is about 446.7350551210.

The spelling of 89155902 in words is "eighty-nine million, one hundred fifty-five thousand, nine hundred two".