3285749 has 2 divisors, whose sum is σ = 3285750. Its totient is φ = 3285748.

The previous prime is 3285739. The next prime is 3285823. The reversal of 3285749 is 9475823.

3285749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 628849 = 1630^2 + 793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3285749 is a prime.

It is a super-2 number, since 2×3285749² = 21592292982002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3285719) 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 as a sum of consecutive naturals, namely, 1642874 + 1642875.

It is an arithmetic number, because the mean of its divisors is an integer number (1642875).

Almost surely, 2^3285749 is an apocalyptic number.

It is an amenable number.

3285749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3285749 is an equidigital number, since it uses as much as digits as its factorization.

3285749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 3285749 is about 1812.6635098661. The cubic root of 3285749 is about 148.6659332435.

The spelling of 3285749 in words is "three million, two hundred eighty-five thousand, seven hundred forty-nine".