981672 has 16 divisors (see below), whose sum is σ = 2454240. Its totient is φ = 327216.

The previous prime is 981653. The next prime is 981683. The reversal of 981672 is 276189.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20428 + ... + 20475.

It is an arithmetic number, because the mean of its divisors is an integer number (153390).

2⁹⁸¹⁶⁷² is an apocalyptic number.

It is an amenable number.

981672 is an abundant number, since it is smaller than the sum of its proper divisors (1472568).

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

981672 is a wasteful number, since it uses less digits than its factorization.

981672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40912 (or 40908 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 981672 is about 990.7936212956. The cubic root of 981672 is about 99.3852957965.

It can be divided in two parts, 981 and 672, that added together give a triangular number (1653 = T₅₇).

The spelling of 981672 in words is "nine hundred eighty-one thousand, six hundred seventy-two".