989344402 has 16 divisors (see below), whose sum is σ = 1630042560. Its totient is φ = 448260912.

The previous prime is 989344339. The next prime is 989344403. The reversal of 989344402 is 204443989.

989344402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (989344403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565113 + ... + 566860.

It is an arithmetic number, because the mean of its divisors is an integer number (101877660).

Almost surely, 2^989344402 is an apocalyptic number.

989344402 is a deficient number, since it is larger than the sum of its proper divisors (640698158).

989344402 is a wasteful number, since it uses less digits than its factorization.

989344402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132017.

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 989344402 is about 31453.8455836484. The cubic root of 989344402 is about 996.4354430308.

The spelling of 989344402 in words is "nine hundred eighty-nine million, three hundred forty-four thousand, four hundred two".