89085138 has 8 divisors (see below), whose sum is σ = 178170288. Its totient is φ = 29695044.

The previous prime is 89085137. The next prime is 89085181. The reversal of 89085138 is 83158098.

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

89085138 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 89085138.

It is not an unprimeable number, because it can be changed into a prime (89085137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7423756 + ... + 7423767.

It is an arithmetic number, because the mean of its divisors is an integer number (22271286).

Almost surely, 2^89085138 is an apocalyptic number.

89085138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

89085138 is a wasteful number, since it uses less digits than its factorization.

89085138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14847528.

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 89085138 is about 9438.4923584225. The cubic root of 89085138 is about 446.6168310281.

The spelling of 89085138 in words is "eighty-nine million, eighty-five thousand, one hundred thirty-eight".