989111674 has 4 divisors (see below), whose sum is σ = 1483667514. Its totient is φ = 494555836.

The previous prime is 989111657. The next prime is 989111677. The reversal of 989111674 is 476111989.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 721298449 + 267813225 = 26857^2 + 16365^2 .

It is not an unprimeable number, because it can be changed into a prime (989111677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247277917 + ... + 247277920.

Almost surely, 2^989111674 is an apocalyptic number.

989111674 is a deficient number, since it is larger than the sum of its proper divisors (494555840).

989111674 is a wasteful number, since it uses less digits than its factorization.

989111674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494555839.

The product of its digits is 108864, while the sum is 46.

The square root of 989111674 is about 31450.1458502182. The cubic root of 989111674 is about 996.3573048842.

The spelling of 989111674 in words is "nine hundred eighty-nine million, one hundred eleven thousand, six hundred seventy-four".