989672 has 32 divisors (see below), whose sum is σ = 2073600. Its totient is φ = 440064.

The previous prime is 989671. The next prime is 989687. The reversal of 989672 is 276989.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2393 + ... + 2775.

It is an arithmetic number, because the mean of its divisors is an integer number (64800).

2⁹⁸⁹⁶⁷² is an apocalyptic number.

It is an amenable number.

989672 is an abundant number, since it is smaller than the sum of its proper divisors (1083928).

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

989672 is a wasteful number, since it uses less digits than its factorization.

989672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 421 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 989672 is about 994.8225972504. The cubic root of 989672 is about 99.6545412904.

It can be divided in two parts, 989 and 672, that added together give a palindrome (1661).

The spelling of 989672 in words is "nine hundred eighty-nine thousand, six hundred seventy-two".