989933043 has 16 divisors (see below), whose sum is σ = 1440429696. Its totient is φ = 599739840.

The previous prime is 989933011. The next prime is 989933053. The reversal of 989933043 is 340339989.

It is not a de Polignac number, because 989933043 - 2⁵ = 989933011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 989932983 and 989933001.

It is not an unprimeable number, because it can be changed into a prime (989933053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165796 + ... + 171662.

It is an arithmetic number, because the mean of its divisors is an integer number (90026856).

Almost surely, 2^989933043 is an apocalyptic number.

989933043 is a deficient number, since it is larger than the sum of its proper divisors (450496653).

989933043 is a wasteful number, since it uses less digits than its factorization.

989933043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10994.

The product of its (nonzero) digits is 629856, while the sum is 48.

The square root of 989933043 is about 31463.2014105367. The cubic root of 989933043 is about 996.6330238616.

The spelling of 989933043 in words is "nine hundred eighty-nine million, nine hundred thirty-three thousand, forty-three".