3199943 has 2 divisors, whose sum is σ = 3199944. Its totient is φ = 3199942.

The previous prime is 3199891. The next prime is 3199951. The reversal of 3199943 is 3499913.

It is a strong prime.

It is an emirp because it is prime and its reverse (3499913) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3199943 - 2¹⁰ = 3198919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3199897 and 3199906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3199993) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599971 + 1599972.

It is an arithmetic number, because the mean of its divisors is an integer number (1599972).

Almost surely, 2^3199943 is an apocalyptic number.

3199943 is a deficient number, since it is larger than the sum of its proper divisors (1).

3199943 is an equidigital number, since it uses as much as digits as its factorization.

3199943 is an evil number, because the sum of its binary digits is even.

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

The square root of 3199943 is about 1788.8384499445. The cubic root of 3199943 is about 147.3603849829.

The spelling of 3199943 in words is "three million, one hundred ninety-nine thousand, nine hundred forty-three".