89987630 has 32 divisors (see below), whose sum is σ = 172440576. Its totient is φ = 33693184.

The previous prime is 89987621. The next prime is 89987659. The reversal of 89987630 is 3678998.

It is a Curzon number.

It is a congruent number.

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, 32147 + ... + 34833.

It is an arithmetic number, because the mean of its divisors is an integer number (5388768).

Almost surely, 2^89987630 is an apocalyptic number.

89987630 is a deficient number, since it is larger than the sum of its proper divisors (82452946).

89987630 is a wasteful number, since it uses less digits than its factorization.

89987630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 89987630 is about 9486.1810018574. The cubic root of 89987630 is about 448.1199422421.

The spelling of 89987630 in words is "eighty-nine million, nine hundred eighty-seven thousand, six hundred thirty".