89281536 has 44 divisors (see below), whose sum is σ = 237976032. Its totient is φ = 29759488.

The previous prime is 89281531. The next prime is 89281541. The reversal of 89281536 is 63518298.

It is an interprime number because it is at equal distance from previous prime (89281531) and next prime (89281541).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89281531) 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, 11460 + ... + 17603.

Almost surely, 2^89281536 is an apocalyptic number.

It is an amenable number.

89281536 is an abundant number, since it is smaller than the sum of its proper divisors (148694496).

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

89281536 is a wasteful number, since it uses less digits than its factorization.

89281536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29086 (or 29068 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 89281536 is about 9448.8907285459. The cubic root of 89281536 is about 446.9447954687.

It can be divided in two parts, 892 and 81536, that added together give a palindrome (82428).

The spelling of 89281536 in words is "eighty-nine million, two hundred eighty-one thousand, five hundred thirty-six".