2193964 has 12 divisors (see below), whose sum is σ = 3855600. Its totient is φ = 1092368.

The previous prime is 2193959. The next prime is 2193967. The reversal of 2193964 is 4693912.

It is not an unprimeable number, because it can be changed into a prime (2193967) 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, 57 + ... + 2095.

It is an arithmetic number, because the mean of its divisors is an integer number (321300).

2^2193964 is an apocalyptic number.

It is an amenable number.

2193964 is a deficient number, since it is larger than the sum of its proper divisors (1661636).

2193964 is a wasteful number, since it uses less digits than its factorization.

2193964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2310 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 2193964 is about 1481.2035646730. The cubic root of 2193964 is about 129.9400907388.

The spelling of 2193964 in words is "two million, one hundred ninety-three thousand, nine hundred sixty-four".