3387749 has 2 divisors, whose sum is σ = 3387750. Its totient is φ = 3387748.

The previous prime is 3387733. The next prime is 3387799. The reversal of 3387749 is 9477833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3265249 + 122500 = 1807^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 3387749 - 2⁴ = 3387733 is a prime.

It is a super-2 number, since 2×3387749² = 22953686574002, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3⁴ + 3⁸ + 8⁷ + 7⁶ + 7⁶ + 4¹⁰ + 9² .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3387799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1693874 + 1693875.

It is an arithmetic number, because the mean of its divisors is an integer number (1693875).

Almost surely, 2^3387749 is an apocalyptic number.

It is an amenable number.

3387749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3387749 is an equidigital number, since it uses as much as digits as its factorization.

3387749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The square root of 3387749 is about 1840.5838747528. The cubic root of 3387749 is about 150.1886367491.

It can be divided in two parts, 338 and 7749, that multiplied together give a palindrome (2619162).

The spelling of 3387749 in words is "three million, three hundred eighty-seven thousand, seven hundred forty-nine".