2173604 has 12 divisors (see below), whose sum is σ = 3850224. Its totient is φ = 1073544.

The previous prime is 2173601. The next prime is 2173643. The reversal of 2173604 is 4063712.

It is a self number, because there is not a number n which added to its sum of digits gives 2173604.

It is not an unprimeable number, because it can be changed into a prime (2173601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2942 + ... + 3605.

It is an arithmetic number, because the mean of its divisors is an integer number (320852).

2^2173604 is an apocalyptic number.

It is an amenable number.

2173604 is a deficient number, since it is larger than the sum of its proper divisors (1676620).

2173604 is a wasteful number, since it uses less digits than its factorization.

2173604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6634 (or 6632 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2173604 is about 1474.3147560816. The cubic root of 2173604 is about 129.5368926358.

The spelling of 2173604 in words is "two million, one hundred seventy-three thousand, six hundred four".