873972 has 36 divisors (see below), whose sum is σ = 2411136. Its totient is φ = 264720.

The previous prime is 873959. The next prime is 873979. The reversal of 873972 is 279378.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873979) by changing a digit.

873972 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, 708 + ... + 1499.

It is an arithmetic number, because the mean of its divisors is an integer number (66976).

2⁸⁷³⁹⁷² is an apocalyptic number.

It is an amenable number.

873972 is an abundant number, since it is smaller than the sum of its proper divisors (1537164).

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

873972 is a wasteful number, since it uses less digits than its factorization.

873972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228 (or 2223 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 873972 is about 934.8646960924. The cubic root of 873972 is about 95.6090874458.

The spelling of 873972 in words is "eight hundred seventy-three thousand, nine hundred seventy-two".