3312749 has 4 divisors (see below), whose sum is σ = 3613920. Its totient is φ = 3011580.

The previous prime is 3312737. The next prime is 3312761. The reversal of 3312749 is 9472133.

3312749 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3312737) and next prime (3312761).

It is not a de Polignac number, because 3312749 - 2⁴ = 3312733 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 (3312719) 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, 150569 + ... + 150590.

It is an arithmetic number, because the mean of its divisors is an integer number (903480).

Almost surely, 2^3312749 is an apocalyptic number.

It is an amenable number.

3312749 is a deficient number, since it is larger than the sum of its proper divisors (301171).

3312749 is a wasteful number, since it uses less digits than its factorization.

3312749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301170.

The product of its digits is 4536, while the sum is 29.

The square root of 3312749 is about 1820.0958765955. The cubic root of 3312749 is about 149.0720339953.

The spelling of 3312749 in words is "three million, three hundred twelve thousand, seven hundred forty-nine".