981372 has 36 divisors (see below), whose sum is σ = 2665320. Its totient is φ = 280224.

The previous prime is 981319. The next prime is 981373. The reversal of 981372 is 273189.

It is a happy number.

It is a d-powerful number, because it can be written as 9⁴ + 8³ + 3⁹ + 1 + 7⁷ + 2¹⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981373) by changing a digit.

981372 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247 + ... + 1422.

2⁹⁸¹³⁷² is an apocalyptic number.

It is an amenable number.

981372 is an abundant number, since it is smaller than the sum of its proper divisors (1683948).

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

981372 is a wasteful number, since it uses less digits than its factorization.

981372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 1681 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 981372 is about 990.6422159387. The cubic root of 981372 is about 99.3751706812.

The spelling of 981372 in words is "nine hundred eighty-one thousand, three hundred seventy-two".