89033440 has 24 divisors (see below), whose sum is σ = 210341880. Its totient is φ = 35613312.

The previous prime is 89033431. The next prime is 89033443. The reversal of 89033440 is 4433098.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89033443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278070 + ... + 278389.

It is an arithmetic number, because the mean of its divisors is an integer number (8764245).

Almost surely, 2^89033440 is an apocalyptic number.

89033440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89033440 is an abundant number, since it is smaller than the sum of its proper divisors (121308440).

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

89033440 is a wasteful number, since it uses less digits than its factorization.

89033440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556474 (or 556466 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 89033440 is about 9435.7532820650. The cubic root of 89033440 is about 446.5304205625.

The spelling of 89033440 in words is "eighty-nine million, thirty-three thousand, four hundred forty".