89981480 has 16 divisors (see below), whose sum is σ = 202458420. Its totient is φ = 35992576.

The previous prime is 89981449. The next prime is 89981491. The reversal of 89981480 is 8418998.

It can be written as a sum of positive squares in 2 ways, for example, as 89832484 + 148996 = 9478^2 + 386^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124729 + ... + 1124808.

Almost surely, 2^89981480 is an apocalyptic number.

It is an amenable number.

89981480 is an abundant number, since it is smaller than the sum of its proper divisors (112476940).

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

89981480 is a wasteful number, since it uses less digits than its factorization.

89981480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2249548 (or 2249544 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 89981480 is about 9485.8568405811. The cubic root of 89981480 is about 448.1097334300.

The spelling of 89981480 in words is "eighty-nine million, nine hundred eighty-one thousand, four hundred eighty".