3431943 has 16 divisors (see below), whose sum is σ = 5384160. Its totient is φ = 2153088.

The previous prime is 3431933. The next prime is 3431963. The reversal of 3431943 is 3491343.

3431943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3431943 - 2⁹ = 3431431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431903) 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 15 ways as a sum of consecutive naturals, for example, 3280 + ... + 4197.

It is an arithmetic number, because the mean of its divisors is an integer number (336510).

Almost surely, 2^3431943 is an apocalyptic number.

3431943 is a deficient number, since it is larger than the sum of its proper divisors (1952217).

3431943 is a wasteful number, since it uses less digits than its factorization.

3431943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503 (or 7497 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 3431943 is about 1852.5504041726. The cubic root of 3431943 is about 150.8388995704.

The spelling of 3431943 in words is "three million, four hundred thirty-one thousand, nine hundred forty-three".