3491213 has 16 divisors (see below), whose sum is σ = 3993792. Its totient is φ = 3049200.

The previous prime is 3491197. The next prime is 3491227. The reversal of 3491213 is 3121943.

3491213 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 3491213 - 2⁴ = 3491197 is a prime.

It is a super-2 number, since 2×3491213² = 24377136422738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3491233) 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, 57203 + ... + 57263.

It is an arithmetic number, because the mean of its divisors is an integer number (249612).

Almost surely, 2^3491213 is an apocalyptic number.

It is an amenable number.

3491213 is a deficient number, since it is larger than the sum of its proper divisors (502579).

3491213 is an equidigital number, since it uses as much as digits as its factorization.

3491213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 115 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 3491213 is about 1868.4787930292. The cubic root of 3491213 is about 151.7022825560.

The spelling of 3491213 in words is "three million, four hundred ninety-one thousand, two hundred thirteen".