3387861 has 12 divisors (see below), whose sum is σ = 4912492. Its totient is φ = 2249856.

The previous prime is 3387827. The next prime is 3387863. The reversal of 3387861 is 1687833.

It can be written as a sum of positive squares in 2 ways, for example, as 463761 + 2924100 = 681^2 + 1710^2 .

It is not a de Polignac number, because 3387861 - 2⁷ = 3387733 is a prime.

It is a super-2 number, since 2×3387861² = 22955204310642, which contains 22 as substring.

It is a Duffinian number.

3387861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3387863) 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 11 ways as a sum of consecutive naturals, for example, 2475 + ... + 3591.

Almost surely, 2^3387861 is an apocalyptic number.

It is an amenable number.

3387861 is a deficient number, since it is larger than the sum of its proper divisors (1524631).

3387861 is a wasteful number, since it uses less digits than its factorization.

3387861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460 (or 1457 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3387861 is about 1840.6142996293. The cubic root of 3387861 is about 150.1902918247.

The spelling of 3387861 in words is "three million, three hundred eighty-seven thousand, eight hundred sixty-one".