89149915 has 8 divisors (see below), whose sum is σ = 110669040. Its totient is φ = 68860512.

The previous prime is 89149913. The next prime is 89149969. The reversal of 89149915 is 51994198.

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

It is a cyclic number.

It is not a de Polignac number, because 89149915 - 2¹ = 89149913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (89149913) 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, 307269 + ... + 307558.

It is an arithmetic number, because the mean of its divisors is an integer number (13833630).

Almost surely, 2^89149915 is an apocalyptic number.

89149915 is a deficient number, since it is larger than the sum of its proper divisors (21519125).

89149915 is a wasteful number, since it uses less digits than its factorization.

89149915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614861.

The product of its digits is 116640, while the sum is 46.

The square root of 89149915 is about 9441.9232680636. The cubic root of 89149915 is about 446.7250551749.

The spelling of 89149915 in words is "eighty-nine million, one hundred forty-nine thousand, nine hundred fifteen".