89121736 has 32 divisors (see below), whose sum is σ = 182825280. Its totient is φ = 40392000.

The previous prime is 89121733. The next prime is 89121737. The reversal of 89121736 is 63712198.

It is a junction number, because it is equal to n+sod(n) for n = 89121695 and 89121704.

It is not an unprimeable number, because it can be changed into a prime (89121731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33661 + ... + 36211.

It is an arithmetic number, because the mean of its divisors is an integer number (5713290).

Almost surely, 2^89121736 is an apocalyptic number.

It is an amenable number.

89121736 is an abundant number, since it is smaller than the sum of its proper divisors (93703544).

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

89121736 is a wasteful number, since it uses less digits than its factorization.

89121736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965 (or 2961 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 89121736 is about 9440.4309223679. The cubic root of 89121736 is about 446.6779824365.

It can be divided in two parts, 8912 and 1736, that added together give a cube (10648 = 22³).

The spelling of 89121736 in words is "eighty-nine million, one hundred twenty-one thousand, seven hundred thirty-six".