989930632 has 32 divisors (see below), whose sum is σ = 1873339200. Its totient is φ = 490392000.

The previous prime is 989930629. The next prime is 989930651. The reversal of 989930632 is 236039989.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a cake number, because a cake can be divided into 989930632 parts by 1811 planar cuts.

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, 592294 + ... + 593962.

It is an arithmetic number, because the mean of its divisors is an integer number (58541850).

Almost surely, 2^989930632 is an apocalyptic number.

It is an amenable number.

989930632 is a deficient number, since it is larger than the sum of its proper divisors (883408568).

989930632 is a wasteful number, since it uses less digits than its factorization.

989930632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 989930632 is about 31463.1630959127. The cubic root of 989930632 is about 996.6322147550.

The spelling of 989930632 in words is "nine hundred eighty-nine million, nine hundred thirty thousand, six hundred thirty-two".