3431819 has 2 divisors, whose sum is σ = 3431820. Its totient is φ = 3431818.

The previous prime is 3431797. The next prime is 3431821. The reversal of 3431819 is 9181343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3431819 - 2¹⁶ = 3366283 is a prime.

It is a super-2 number, since 2×3431819² = 23554763297522, which contains 22 as substring.

Together with 3431821, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3431791 and 3431800.

It is not a weakly prime, because it can be changed into another prime (3431849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715909 + 1715910.

It is an arithmetic number, because the mean of its divisors is an integer number (1715910).

Almost surely, 2^3431819 is an apocalyptic number.

3431819 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431819 is an equidigital number, since it uses as much as digits as its factorization.

3431819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

The square root of 3431819 is about 1852.5169364948. The cubic root of 3431819 is about 150.8370828882.

The spelling of 3431819 in words is "three million, four hundred thirty-one thousand, eight hundred nineteen".