89916261 has 4 divisors (see below), whose sum is σ = 119888352. Its totient is φ = 59944172.

The previous prime is 89916221. The next prime is 89916283. The reversal of 89916261 is 16261998.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89916261 - 2¹³ = 89908069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89916221) 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, 14986041 + ... + 14986046.

It is an arithmetic number, because the mean of its divisors is an integer number (29972088).

Almost surely, 2^89916261 is an apocalyptic number.

It is an amenable number.

89916261 is a deficient number, since it is larger than the sum of its proper divisors (29972091).

89916261 is a wasteful number, since it uses less digits than its factorization.

89916261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29972090.

The product of its digits is 46656, while the sum is 42.

The square root of 89916261 is about 9482.4185206096. The cubic root of 89916261 is about 448.0014432484.

The spelling of 89916261 in words is "eighty-nine million, nine hundred sixteen thousand, two hundred sixty-one".