3431687 has 4 divisors (see below), whose sum is σ = 3921936. Its totient is φ = 2941440.

The previous prime is 3431641. The next prime is 3431689. The reversal of 3431687 is 7861343.

3431687 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 is a cyclic number.

It is not a de Polignac number, because 3431687 - 2⁸ = 3431431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431689) 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, 245114 + ... + 245127.

It is an arithmetic number, because the mean of its divisors is an integer number (980484).

Almost surely, 2^3431687 is an apocalyptic number.

3431687 is a deficient number, since it is larger than the sum of its proper divisors (490249).

3431687 is an equidigital number, since it uses as much as digits as its factorization.

3431687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490248.

The product of its digits is 12096, while the sum is 32.

The square root of 3431687 is about 1852.4813089475. The cubic root of 3431687 is about 150.8351489527.

The spelling of 3431687 in words is "three million, four hundred thirty-one thousand, six hundred eighty-seven".