3486491 has 2 divisors, whose sum is σ = 3486492. Its totient is φ = 3486490.

The previous prime is 3486463. The next prime is 3486521. The reversal of 3486491 is 1946843.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3486491 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3486391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743245 + 1743246.

It is an arithmetic number, because the mean of its divisors is an integer number (1743246).

Almost surely, 2^3486491 is an apocalyptic number.

3486491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3486491 is an equidigital number, since it uses as much as digits as its factorization.

3486491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 3486491 is about 1867.2147707214. The cubic root of 3486491 is about 151.6338573048.

The spelling of 3486491 in words is "three million, four hundred eighty-six thousand, four hundred ninety-one".