3437431 has 2 divisors, whose sum is σ = 3437432. Its totient is φ = 3437430.

The previous prime is 3437429. The next prime is 3437443. The reversal of 3437431 is 1347343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3437431 - 2¹ = 3437429 is a prime.

It is a super-2 number, since 2×3437431² = 23631863759522, which contains 22 as substring.

Together with 3437429, it forms a pair of twin primes.

3437431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3437396 and 3437405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3431431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1718715 + 1718716.

It is an arithmetic number, because the mean of its divisors is an integer number (1718716).

Almost surely, 2^3437431 is an apocalyptic number.

3437431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3437431 is an equidigital number, since it uses as much as digits as its factorization.

3437431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 25.

The square root of 3437431 is about 1854.0310137643. The cubic root of 3437431 is about 150.9192586194.

The spelling of 3437431 in words is "three million, four hundred thirty-seven thousand, four hundred thirty-one".