2173928 has 16 divisors (see below), whose sum is σ = 4092000. Its totient is φ = 1082736.

The previous prime is 2173907. The next prime is 2173957. The reversal of 2173928 is 8293712.

It is a junction number, because it is equal to n+sod(n) for n = 2173894 and 2173903.

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, 3203 + ... + 3821.

It is an arithmetic number, because the mean of its divisors is an integer number (255750).

2^2173928 is an apocalyptic number.

It is an amenable number.

2173928 is a deficient number, since it is larger than the sum of its proper divisors (1918072).

2173928 is a wasteful number, since it uses less digits than its factorization.

2173928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1060 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 2173928 is about 1474.4246335435. The cubic root of 2173928 is about 129.5433286238.

The spelling of 2173928 in words is "two million, one hundred seventy-three thousand, nine hundred twenty-eight".