3491939 has 6 divisors (see below), whose sum is σ = 3838380. Its totient is φ = 3174380.

The previous prime is 3491927. The next prime is 3491947. The reversal of 3491939 is 9391943.

It is not a de Polignac number, because 3491939 - 2⁴ = 3491923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3491639) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14309 + ... + 14550.

It is an arithmetic number, because the mean of its divisors is an integer number (639730).

Almost surely, 2^3491939 is an apocalyptic number.

3491939 is a deficient number, since it is larger than the sum of its proper divisors (346441).

3491939 is a wasteful number, since it uses less digits than its factorization.

3491939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28881 (or 28870 counting only the distinct ones).

The product of its digits is 26244, while the sum is 38.

The square root of 3491939 is about 1868.6730586167. The cubic root of 3491939 is about 151.7127973564.

The spelling of 3491939 in words is "three million, four hundred ninety-one thousand, nine hundred thirty-nine".