89290480 has 40 divisors (see below), whose sum is σ = 208245600. Its totient is φ = 35605248.

The previous prime is 89290471. The next prime is 89290483. The reversal of 89290480 is 8409298.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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 (89290483) 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, 27166 + ... + 30274.

It is an arithmetic number, because the mean of its divisors is an integer number (5206140).

Almost surely, 2^89290480 is an apocalyptic number.

89290480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89290480 is an abundant number, since it is smaller than the sum of its proper divisors (118955120).

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

89290480 is a wasteful number, since it uses less digits than its factorization.

89290480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481 (or 3475 counting only the distinct ones).

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

The square root of 89290480 is about 9449.3639997621. The cubic root of 89290480 is about 446.9597195727.

The spelling of 89290480 in words is "eighty-nine million, two hundred ninety thousand, four hundred eighty".