3249691 has 4 divisors (see below), whose sum is σ = 3259672. Its totient is φ = 3239712.

The previous prime is 3249679. The next prime is 3249707. The reversal of 3249691 is 1969423.

3249691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3249691 - 2⁷ = 3249563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3249641) 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 3 ways as a sum of consecutive naturals, for example, 4485 + ... + 5158.

It is an arithmetic number, because the mean of its divisors is an integer number (814918).

Almost surely, 2^3249691 is an apocalyptic number.

3249691 is a deficient number, since it is larger than the sum of its proper divisors (9981).

3249691 is an equidigital number, since it uses as much as digits as its factorization.

3249691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9980.

The product of its digits is 11664, while the sum is 34.

The square root of 3249691 is about 1802.6899345145. The cubic root of 3249691 is about 148.1201088547.

The spelling of 3249691 in words is "three million, two hundred forty-nine thousand, six hundred ninety-one".