3431993 has 2 divisors, whose sum is σ = 3431994. Its totient is φ = 3431992.

The previous prime is 3431963. The next prime is 3431999. The reversal of 3431993 is 3991343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3396649 + 35344 = 1843^2 + 188^2 .

It is a cyclic number.

It is not a de Polignac number, because 3431993 - 2¹⁴ = 3415609 is a prime.

It is not a weakly prime, because it can be changed into another prime (3431999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715996 + 1715997.

It is an arithmetic number, because the mean of its divisors is an integer number (1715997).

Almost surely, 2^3431993 is an apocalyptic number.

It is an amenable number.

3431993 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431993 is an equidigital number, since it uses as much as digits as its factorization.

3431993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 32.

The square root of 3431993 is about 1852.5638990329. The cubic root of 3431993 is about 150.8396320912.

The spelling of 3431993 in words is "three million, four hundred thirty-one thousand, nine hundred ninety-three".