89272290 has 32 divisors (see below), whose sum is σ = 215213760. Its totient is φ = 23699264.

The previous prime is 89272289. The next prime is 89272297. The reversal of 89272290 is 9227298.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (89272297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256 + ... + 13364.

It is an arithmetic number, because the mean of its divisors is an integer number (6725430).

Almost surely, 2^89272290 is an apocalyptic number.

89272290 is an abundant number, since it is smaller than the sum of its proper divisors (125941470).

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

89272290 is a wasteful number, since it uses less digits than its factorization.

89272290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13346.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 89272290 is about 9448.4014520976. The cubic root of 89272290 is about 446.9293663948.

The spelling of 89272290 in words is "eighty-nine million, two hundred seventy-two thousand, two hundred ninety".