89840730 has 32 divisors (see below), whose sum is σ = 246420864. Its totient is φ = 20534976.

The previous prime is 89840713. The next prime is 89840741. The reversal of 89840730 is 3704898.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213697 + ... + 214116.

It is an arithmetic number, because the mean of its divisors is an integer number (7700652).

Almost surely, 2^89840730 is an apocalyptic number.

89840730 is an abundant number, since it is smaller than the sum of its proper divisors (156580134).

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

89840730 is a wasteful number, since it uses less digits than its factorization.

89840730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427830.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 89840730 is about 9478.4349974033. The cubic root of 89840730 is about 447.8759654766.

The spelling of 89840730 in words is "eighty-nine million, eight hundred forty thousand, seven hundred thirty".