2117194 has 4 divisors (see below), whose sum is σ = 3175794. Its totient is φ = 1058596.

The previous prime is 2117179. The next prime is 2117233. The reversal of 2117194 is 4917112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2117025 + 169 = 1455^2 + 13^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529297 + ... + 529300.

2^2117194 is an apocalyptic number.

2117194 is a deficient number, since it is larger than the sum of its proper divisors (1058600).

2117194 is a wasteful number, since it uses less digits than its factorization.

2117194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058599.

The product of its digits is 504, while the sum is 25.

The square root of 2117194 is about 1455.0580744424. The cubic root of 2117194 is about 128.4064634447.

The spelling of 2117194 in words is "two million, one hundred seventeen thousand, one hundred ninety-four".