2173992 has 16 divisors (see below), whose sum is σ = 5435040. Its totient is φ = 724656.

The previous prime is 2173981. The next prime is 2173993. The reversal of 2173992 is 2993712.

2173992 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2173993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45268 + ... + 45315.

It is an arithmetic number, because the mean of its divisors is an integer number (339690).

2^2173992 is an apocalyptic number.

It is an amenable number.

2173992 is an abundant number, since it is smaller than the sum of its proper divisors (3261048).

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

2173992 is a wasteful number, since it uses less digits than its factorization.

2173992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90592 (or 90588 counting only the distinct ones).

The product of its digits is 6804, while the sum is 33.

The square root of 2173992 is about 1474.4463367651. The cubic root of 2173992 is about 129.5445998545.

The spelling of 2173992 in words is "two million, one hundred seventy-three thousand, nine hundred ninety-two".