3328749 has 32 divisors (see below), whose sum is σ = 5268480. Its totient is φ = 2073600.

The previous prime is 3328747. The next prime is 3328763. The reversal of 3328749 is 9478233.

It is not a de Polignac number, because 3328749 - 2¹ = 3328747 is a prime.

It is a super-2 number, since 2×3328749² = 22161139810002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3328747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34269 + ... + 34365.

It is an arithmetic number, because the mean of its divisors is an integer number (164640).

Almost surely, 2^3328749 is an apocalyptic number.

It is an amenable number.

3328749 is a deficient number, since it is larger than the sum of its proper divisors (1939731).

3328749 is a wasteful number, since it uses less digits than its factorization.

3328749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 172 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 3328749 is about 1824.4859550021. The cubic root of 3328749 is about 149.3116459568.

It can be divided in two parts, 33 and 28749, that added together give a palindrome (28782).

The spelling of 3328749 in words is "three million, three hundred twenty-eight thousand, seven hundred forty-nine".