89730290 has 16 divisors (see below), whose sum is σ = 173938968. Its totient is φ = 33131136.

The previous prime is 89730259. The next prime is 89730323. The reversal of 89730290 is 9203798.

It can be written as a sum of positive squares in 4 ways, for example, as 57320041 + 32410249 = 7571^2 + 5693^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344987 + ... + 345246.

Almost surely, 2^89730290 is an apocalyptic number.

89730290 is a deficient number, since it is larger than the sum of its proper divisors (84208678).

89730290 is a wasteful number, since it uses less digits than its factorization.

89730290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690253.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 89730290 is about 9472.6073496160. The cubic root of 89730290 is about 447.6923675928.

The spelling of 89730290 in words is "eighty-nine million, seven hundred thirty thousand, two hundred ninety".