89724216 has 16 divisors (see below), whose sum is σ = 224310600. Its totient is φ = 29908064.

The previous prime is 89724211. The next prime is 89724221. The reversal of 89724216 is 61242798.

It is an interprime number because it is at equal distance from previous prime (89724211) and next prime (89724221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89724211) 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, 1869231 + ... + 1869278.

Almost surely, 2^89724216 is an apocalyptic number.

It is an amenable number.

89724216 is an abundant number, since it is smaller than the sum of its proper divisors (134586384).

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

89724216 is a wasteful number, since it uses less digits than its factorization.

89724216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738518 (or 3738514 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 89724216 is about 9472.2867355248. The cubic root of 89724216 is about 447.6822656722.

The spelling of 89724216 in words is "eighty-nine million, seven hundred twenty-four thousand, two hundred sixteen".