89503989 has 8 divisors (see below), whose sum is σ = 119478240. Its totient is φ = 59599536.

The previous prime is 89503987. The next prime is 89503993. The reversal of 89503989 is 98930598.

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

It is not a de Polignac number, because 89503989 - 2¹ = 89503987 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89503987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14379 + ... + 19640.

It is an arithmetic number, because the mean of its divisors is an integer number (14934780).

Almost surely, 2^89503989 is an apocalyptic number.

It is an amenable number.

89503989 is a deficient number, since it is larger than the sum of its proper divisors (29974251).

89503989 is a wasteful number, since it uses less digits than its factorization.

89503989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34899.

The product of its (nonzero) digits is 699840, while the sum is 51.

The square root of 89503989 is about 9460.6547870642. The cubic root of 89503989 is about 447.3156886916.

The spelling of 89503989 in words is "eighty-nine million, five hundred three thousand, nine hundred eighty-nine".