89250840 has 192 divisors, whose sum is σ = 335612160. Its totient is φ = 20148480.

The previous prime is 89250797. The next prime is 89250853. The reversal of 89250840 is 4805298.

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 = 89250795 and 89250804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269475 + ... + 269805.

It is an arithmetic number, because the mean of its divisors is an integer number (1747980).

Almost surely, 2^89250840 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 89250840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167806080).

89250840 is an abundant number, since it is smaller than the sum of its proper divisors (246361320).

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

89250840 is a wasteful number, since it uses less digits than its factorization.

89250840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 455 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 89250840 is about 9447.2662712554. The cubic root of 89250840 is about 446.8935680419.

The spelling of 89250840 in words is "eighty-nine million, two hundred fifty thousand, eight hundred forty".