89272980 has 72 divisors (see below), whose sum is σ = 273639912. Its totient is φ = 23556096.

The previous prime is 89272979. The next prime is 89272987. The reversal of 89272980 is 8927298.

It can be written as a sum of positive squares in 4 ways, for example, as 197136 + 89075844 = 444^2 + 9438^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89272987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14904 + ... + 20016.

Almost surely, 2^89272980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89272980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136819956).

89272980 is an abundant number, since it is smaller than the sum of its proper divisors (184366932).

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

89272980 is a wasteful number, since it uses less digits than its factorization.

89272980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5225 (or 5220 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 89272980 is about 9448.4379661402. The cubic root of 89272980 is about 446.9305178550.

The spelling of 89272980 in words is "eighty-nine million, two hundred seventy-two thousand, nine hundred eighty".