3279749 has 4 divisors (see below), whose sum is σ = 3577920. Its totient is φ = 2981580.

The previous prime is 3279743. The next prime is 3279763. The reversal of 3279749 is 9479723.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3279749 - 2¹⁶ = 3214213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3279743) 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, 149069 + ... + 149090.

It is an arithmetic number, because the mean of its divisors is an integer number (894480).

Almost surely, 2^3279749 is an apocalyptic number.

It is an amenable number.

3279749 is a deficient number, since it is larger than the sum of its proper divisors (298171).

3279749 is a wasteful number, since it uses less digits than its factorization.

3279749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298170.

The product of its digits is 95256, while the sum is 41.

The square root of 3279749 is about 1811.0077305191. The cubic root of 3279749 is about 148.5753867553.

The spelling of 3279749 in words is "three million, two hundred seventy-nine thousand, seven hundred forty-nine".