3431249 has 4 divisors (see below), whose sum is σ = 3514980. Its totient is φ = 3347520.

The previous prime is 3431243. The next prime is 3431261. The reversal of 3431249 is 9421343.

3431249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1380625 + 2050624 = 1175^2 + 1432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3431249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3431243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41804 + ... + 41885.

It is an arithmetic number, because the mean of its divisors is an integer number (878745).

Almost surely, 2^3431249 is an apocalyptic number.

It is an amenable number.

3431249 is a deficient number, since it is larger than the sum of its proper divisors (83731).

3431249 is an equidigital number, since it uses as much as digits as its factorization.

3431249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83730.

The product of its digits is 2592, while the sum is 26.

The square root of 3431249 is about 1852.3630853588. The cubic root of 3431249 is about 150.8287314476.

The spelling of 3431249 in words is "three million, four hundred thirty-one thousand, two hundred forty-nine".