89518429 has 32 divisors (see below), whose sum is σ = 123492096. Its totient is φ = 62622720.

The previous prime is 89518427. The next prime is 89518439. The reversal of 89518429 is 92481598.

It is a cyclic number.

It is not a de Polignac number, because 89518429 - 2¹ = 89518427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89518423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35829 + ... + 38245.

It is an arithmetic number, because the mean of its divisors is an integer number (3859128).

Almost surely, 2^89518429 is an apocalyptic number.

It is an amenable number.

89518429 is a deficient number, since it is larger than the sum of its proper divisors (33973667).

89518429 is a wasteful number, since it uses less digits than its factorization.

89518429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485.

The product of its digits is 207360, while the sum is 46.

The square root of 89518429 is about 9461.4179169932. The cubic root of 89518429 is about 447.3397430803.

The spelling of 89518429 in words is "eighty-nine million, five hundred eighteen thousand, four hundred twenty-nine".