2194790 has 16 divisors (see below), whose sum is σ = 4254768. Its totient is φ = 810336.

The previous prime is 2194757. The next prime is 2194811. The reversal of 2194790 is 974912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8312 + ... + 8571.

It is an arithmetic number, because the mean of its divisors is an integer number (265923).

2^2194790 is an apocalyptic number.

2194790 is a deficient number, since it is larger than the sum of its proper divisors (2059978).

2194790 is a wasteful number, since it uses less digits than its factorization.

2194790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16903.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 2194790 is about 1481.4823657405. The cubic root of 2194790 is about 129.9563956323.

The spelling of 2194790 in words is "two million, one hundred ninety-four thousand, seven hundred ninety".