3194993 has 4 divisors (see below), whose sum is σ = 3201780. Its totient is φ = 3188208.

The previous prime is 3194981. The next prime is 3195001. The reversal of 3194993 is 3994913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3994913 = 13 ⋅307301.

It can be written as a sum of positive squares in 2 ways, for example, as 2917264 + 277729 = 1708^2 + 527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3194993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3194923) 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, 2630 + ... + 3647.

It is an arithmetic number, because the mean of its divisors is an integer number (800445).

Almost surely, 2^3194993 is an apocalyptic number.

It is an amenable number.

3194993 is a deficient number, since it is larger than the sum of its proper divisors (6787).

3194993 is an equidigital number, since it uses as much as digits as its factorization.

3194993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786.

The product of its digits is 26244, while the sum is 38.

The square root of 3194993 is about 1787.4543350810. The cubic root of 3194993 is about 147.2843617173.

The spelling of 3194993 in words is "three million, one hundred ninety-four thousand, nine hundred ninety-three".