89960040 has 96 divisors (see below), whose sum is σ = 293735520. Its totient is φ = 23877504.

The previous prime is 89960033. The next prime is 89960071. The reversal of 89960040 is 4006998.

89960040 is a `hidden beast` number, since 8 + 9 + 9 + 600 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 89959977 and 89960004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101439 + ... + 102321.

It is an arithmetic number, because the mean of its divisors is an integer number (3059745).

Almost surely, 2^89960040 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 89960040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146867760).

89960040 is an abundant number, since it is smaller than the sum of its proper divisors (203775480).

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

89960040 is a wasteful number, since it uses less digits than its factorization.

89960040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1176 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 89960040 is about 9484.7266697570. The cubic root of 89960040 is about 448.0741400470.

The spelling of 89960040 in words is "eighty-nine million, nine hundred sixty thousand, forty".