89229280 has 48 divisors (see below), whose sum is σ = 240922080. Its totient is φ = 30592512.

The previous prime is 89229271. The next prime is 89229281. The reversal of 89229280 is 8292298.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89229281) 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, 38715 + ... + 40954.

It is an arithmetic number, because the mean of its divisors is an integer number (5019210).

Almost surely, 2^89229280 is an apocalyptic number.

89229280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89229280 is an abundant number, since it is smaller than the sum of its proper divisors (151692800).

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

89229280 is a wasteful number, since it uses less digits than its factorization.

89229280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79691 (or 79683 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 89229280 is about 9446.1251315023. The cubic root of 89229280 is about 446.8575803274.

The spelling of 89229280 in words is "eighty-nine million, two hundred twenty-nine thousand, two hundred eighty".