2194924 has 18 divisors (see below), whose sum is σ = 3975972. Its totient is φ = 1060200.

The previous prime is 2194903. The next prime is 2194931. The reversal of 2194924 is 4294912.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3559 + ... + 4129.

2^2194924 is an apocalyptic number.

It is an amenable number.

2194924 is a deficient number, since it is larger than the sum of its proper divisors (1781048).

2194924 is a wasteful number, since it uses less digits than its factorization.

2194924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 604 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 2194924 is about 1481.5275900232. The cubic root of 2194924 is about 129.9590403505.

The spelling of 2194924 in words is "two million, one hundred ninety-four thousand, nine hundred twenty-four".