989674 has 16 divisors (see below), whose sum is σ = 1709568. Its totient is φ = 420912.

The previous prime is 989671. The next prime is 989687. The reversal of 989674 is 476989.

It is a super-3 number, since 3×989674³ = 2908022333415222072, which contains 333 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 989674.

It is not an unprimeable number, because it can be changed into a prime (989671) 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, 2964 + ... + 3280.

It is an arithmetic number, because the mean of its divisors is an integer number (106848).

2⁹⁸⁹⁶⁷⁴ is an apocalyptic number.

989674 is a deficient number, since it is larger than the sum of its proper divisors (719894).

989674 is a wasteful number, since it uses less digits than its factorization.

989674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549.

The product of its digits is 108864, while the sum is 43.

The square root of 989674 is about 994.8236024542. The cubic root of 989674 is about 99.6546084200.

The spelling of 989674 in words is "nine hundred eighty-nine thousand, six hundred seventy-four".