2117604 has 12 divisors (see below), whose sum is σ = 4941104. Its totient is φ = 705864.

The previous prime is 2117597. The next prime is 2117611. The reversal of 2117604 is 4067112.

It is an interprime number because it is at equal distance from previous prime (2117597) and next prime (2117611).

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

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, 88222 + ... + 88245.

2^2117604 is an apocalyptic number.

It is an amenable number.

2117604 is an abundant number, since it is smaller than the sum of its proper divisors (2823500).

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

2117604 is a wasteful number, since it uses less digits than its factorization.

2117604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176474 (or 176472 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2117604 is about 1455.1989554697. The cubic root of 2117604 is about 128.4147516558.

The spelling of 2117604 in words is "two million, one hundred seventeen thousand, six hundred four".