3431691 has 12 divisors (see below), whose sum is σ = 4972968. Its totient is φ = 2280384.

The previous prime is 3431689. The next prime is 3431693. The reversal of 3431691 is 1961343.

3431691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3431689) and next prime (3431693).

It is not a de Polignac number, because 3431691 - 2¹ = 3431689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3431693) 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 11 ways as a sum of consecutive naturals, for example, 5016 + ... + 5658.

It is an arithmetic number, because the mean of its divisors is an integer number (414414).

Almost surely, 2^3431691 is an apocalyptic number.

3431691 is a deficient number, since it is larger than the sum of its proper divisors (1541277).

3431691 is a wasteful number, since it uses less digits than its factorization.

3431691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242 (or 1239 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 3431691 is about 1852.4823885803. The cubic root of 3431691 is about 150.8352075575.

The spelling of 3431691 in words is "three million, four hundred thirty-one thousand, six hundred ninety-one".