3439891 has 16 divisors (see below), whose sum is σ = 4286464. Its totient is φ = 2687904.

The previous prime is 3439889. The next prime is 3439901. The reversal of 3439891 is 1989343.

3439891 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3439891 - 2¹ = 3439889 is a prime.

3439891 is strictly pandigital in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 3439891.

It is not an unprimeable number, because it can be changed into a prime (3439801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9190 + ... + 9556.

It is an arithmetic number, because the mean of its divisors is an integer number (267904).

Almost surely, 2^3439891 is an apocalyptic number.

3439891 is a deficient number, since it is larger than the sum of its proper divisors (846573).

3439891 is a wasteful number, since it uses less digits than its factorization.

3439891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490.

The product of its digits is 23328, while the sum is 37.

The square root of 3439891 is about 1854.6943144357. The cubic root of 3439891 is about 150.9552518604.

The spelling of 3439891 in words is "three million, four hundred thirty-nine thousand, eight hundred ninety-one".