989925033 has 16 divisors (see below), whose sum is σ = 1355288256. Its totient is φ = 642332160.

The previous prime is 989925007. The next prime is 989925049. The reversal of 989925033 is 330529989.

It is not a de Polignac number, because 989925033 - 2⁸ = 989924777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (989925073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43966 + ... + 62552.

It is an arithmetic number, because the mean of its divisors is an integer number (84705516).

Almost surely, 2^989925033 is an apocalyptic number.

It is an amenable number.

989925033 is a deficient number, since it is larger than the sum of its proper divisors (365363223).

989925033 is a wasteful number, since it uses less digits than its factorization.

989925033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19064.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 989925033 is about 31463.0741187189. The cubic root of 989925033 is about 996.6303357835.

The spelling of 989925033 in words is "nine hundred eighty-nine million, nine hundred twenty-five thousand, thirty-three".