3368781 has 12 divisors (see below), whose sum is σ = 5240508. Its totient is φ = 2073024.

The previous prime is 3368779. The next prime is 3368789. The reversal of 3368781 is 1878633.

3368781 = T₄₉₆ + T₄₉₇ + ... + T₅₂₁.

It can be written as a sum of positive squares in 2 ways, for example, as 695556 + 2673225 = 834^2 + 1635^2 .

It is not a de Polignac number, because 3368781 - 2¹ = 3368779 is a prime.

It is a super-2 number, since 2×3368781² = 22697370851922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3368789) 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, 14280 + ... + 14513.

It is an arithmetic number, because the mean of its divisors is an integer number (436709).

Almost surely, 2^3368781 is an apocalyptic number.

It is an amenable number.

3368781 is a deficient number, since it is larger than the sum of its proper divisors (1871727).

3368781 is a wasteful number, since it uses less digits than its factorization.

3368781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28812 (or 28809 counting only the distinct ones).

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

The square root of 3368781 is about 1835.4239292327. The cubic root of 3368781 is about 149.9078100183.

The spelling of 3368781 in words is "three million, three hundred sixty-eight thousand, seven hundred eighty-one".