3491866 has 8 divisors (see below), whose sum is σ = 5986080. Its totient is φ = 1496508.

The previous prime is 3491857. The next prime is 3491867. The reversal of 3491866 is 6681943.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (3491867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124696 + ... + 124723.

It is an arithmetic number, because the mean of its divisors is an integer number (748260).

Almost surely, 2^3491866 is an apocalyptic number.

3491866 is a deficient number, since it is larger than the sum of its proper divisors (2494214).

3491866 is a wasteful number, since it uses less digits than its factorization.

3491866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249428.

The product of its digits is 31104, while the sum is 37.

The square root of 3491866 is about 1868.6535259379. The cubic root of 3491866 is about 151.7117401490.

The spelling of 3491866 in words is "three million, four hundred ninety-one thousand, eight hundred sixty-six".