989937033 has 4 divisors (see below), whose sum is σ = 1319916048. Its totient is φ = 659958020.

The previous prime is 989937023. The next prime is 989937041. The reversal of 989937033 is 330739989.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 989937033 - 2⁸ = 989936777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (989937023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164989503 + ... + 164989508.

It is an arithmetic number, because the mean of its divisors is an integer number (329979012).

Almost surely, 2^989937033 is an apocalyptic number.

It is an amenable number.

989937033 is a deficient number, since it is larger than the sum of its proper divisors (329979015).

989937033 is a wasteful number, since it uses less digits than its factorization.

989937033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329979014.

The product of its (nonzero) digits is 1102248, while the sum is 51.

The square root of 989937033 is about 31463.2648178793. The cubic root of 989937033 is about 996.6343628614.

The spelling of 989937033 in words is "nine hundred eighty-nine million, nine hundred thirty-seven thousand, thirty-three".