3249791 has 4 divisors (see below), whose sum is σ = 3283392. Its totient is φ = 3216192.

The previous prime is 3249749. The next prime is 3249793. The reversal of 3249791 is 1979423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1979423 = 1093 ⋅1811.

It is a cyclic number.

It is not a de Polignac number, because 3249791 - 2¹⁴ = 3233407 is a prime.

It is a super-2 number, since 2×3249791² = 21122283087362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3249793) 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, 16655 + ... + 16848.

It is an arithmetic number, because the mean of its divisors is an integer number (820848).

Almost surely, 2^3249791 is an apocalyptic number.

3249791 is a deficient number, since it is larger than the sum of its proper divisors (33601).

3249791 is an equidigital number, since it uses as much as digits as its factorization.

3249791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33600.

The product of its digits is 13608, while the sum is 35.

The square root of 3249791 is about 1802.7176706295. The cubic root of 3249791 is about 148.1216281642.

The spelling of 3249791 in words is "three million, two hundred forty-nine thousand, seven hundred ninety-one".