89275440 has 40 divisors (see below), whose sum is σ = 276754608. Its totient is φ = 23806720.

The previous prime is 89275399. The next prime is 89275447. The reversal of 89275440 is 4457298.

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

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (89275447) 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 7 ways as a sum of consecutive naturals, for example, 185751 + ... + 186230.

Almost surely, 2^89275440 is an apocalyptic number.

89275440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89275440 is an abundant number, since it is smaller than the sum of its proper divisors (187479168).

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

89275440 is a wasteful number, since it uses less digits than its factorization.

89275440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371997 (or 371991 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 89275440 is about 9448.5681454917. The cubic root of 89275440 is about 446.9346230127.

The spelling of 89275440 in words is "eighty-nine million, two hundred seventy-five thousand, four hundred forty".