2164604 has 12 divisors (see below), whose sum is σ = 4079544. Its totient is φ = 999024.

The previous prime is 2164597. The next prime is 2164607. The reversal of 2164604 is 4064612.

It is a happy number.

2164604 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2164604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164607) 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, 20762 + ... + 20865.

It is an arithmetic number, because the mean of its divisors is an integer number (339962).

2^2164604 is an apocalyptic number.

It is an amenable number.

2164604 is a deficient number, since it is larger than the sum of its proper divisors (1914940).

2164604 is a wasteful number, since it uses less digits than its factorization.

2164604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41644 (or 41642 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2164604 is about 1471.2593245244. The cubic root of 2164604 is about 129.3578589783.

The spelling of 2164604 in words is "two million, one hundred sixty-four thousand, six hundred four".