89028492 has 144 divisors (see below), whose sum is σ = 261999360. Its totient is φ = 23388288.

The previous prime is 89028487. The next prime is 89028493. The reversal of 89028492 is 29482098.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89028493) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 392083 + ... + 392309.

It is an arithmetic number, because the mean of its divisors is an integer number (1819440).

Almost surely, 2^89028492 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 89028492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130999680).

89028492 is an abundant number, since it is smaller than the sum of its proper divisors (172970868).

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

89028492 is a wasteful number, since it uses less digits than its factorization.

89028492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 89028492 is about 9435.4910841991. The cubic root of 89028492 is about 446.5221484891.

The spelling of 89028492 in words is "eighty-nine million, twenty-eight thousand, four hundred ninety-two".