989933042 has 32 divisors (see below), whose sum is σ = 1729758720. Its totient is φ = 416145600.

The previous prime is 989933011. The next prime is 989933053. The reversal of 989933042 is 240339989.

989933042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 170792 + ... + 176492.

It is an arithmetic number, because the mean of its divisors is an integer number (54054960).

Almost surely, 2^989933042 is an apocalyptic number.

989933042 is a deficient number, since it is larger than the sum of its proper divisors (739825678).

989933042 is a wasteful number, since it uses less digits than its factorization.

989933042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946.

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 989933042 is about 31463.2013946451. The cubic root of 989933042 is about 996.6330235260.

The spelling of 989933042 in words is "nine hundred eighty-nine million, nine hundred thirty-three thousand, forty-two".