3249491 has 4 divisors (see below), whose sum is σ = 3713712. Its totient is φ = 2785272.

The previous prime is 3249481. The next prime is 3249497. The reversal of 3249491 is 1949423.

It is a happy number.

3249491 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, and also an emirpimes, since its reverse is a distinct semiprime: 1949423 = 7 ⋅278489.

It is not a de Polignac number, because 3249491 - 2¹⁰ = 3248467 is a prime.

It is a super-3 number, since 3×3249491³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3249497) 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, 232100 + ... + 232113.

It is an arithmetic number, because the mean of its divisors is an integer number (928428).

Almost surely, 2^3249491 is an apocalyptic number.

3249491 is a deficient number, since it is larger than the sum of its proper divisors (464221).

3249491 is an equidigital number, since it uses as much as digits as its factorization.

3249491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464220.

The product of its digits is 7776, while the sum is 32.

The square root of 3249491 is about 1802.6344610042. The cubic root of 3249491 is about 148.1170701423.

The spelling of 3249491 in words is "three million, two hundred forty-nine thousand, four hundred ninety-one".