989363874 has 16 divisors (see below), whose sum is σ = 1992009600. Its totient is φ = 327574320.

The previous prime is 989363873. The next prime is 989363899. The reversal of 989363874 is 478363989.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (989363873) 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, 552442 + ... + 554229.

It is an arithmetic number, because the mean of its divisors is an integer number (124500600).

Almost surely, 2^989363874 is an apocalyptic number.

989363874 is an abundant number, since it is smaller than the sum of its proper divisors (1002645726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989363874 is a wasteful number, since it uses less digits than its factorization.

989363874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106825.

The product of its digits is 7838208, while the sum is 57.

The square root of 989363874 is about 31454.1551150242. The cubic root of 989363874 is about 996.4419801759.

The spelling of 989363874 in words is "nine hundred eighty-nine million, three hundred sixty-three thousand, eight hundred seventy-four".