3380781 has 8 divisors (see below), whose sum is σ = 4531840. Its totient is φ = 2241792.

The previous prime is 3380779. The next prime is 3380809. The reversal of 3380781 is 1870833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3380781 - 2¹ = 3380779 is a prime.

It is a super-2 number, since 2×3380781² = 22859360339922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3380731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2341 + ... + 3498.

It is an arithmetic number, because the mean of its divisors is an integer number (566480).

Almost surely, 2^3380781 is an apocalyptic number.

It is an amenable number.

3380781 is a deficient number, since it is larger than the sum of its proper divisors (1151059).

3380781 is a wasteful number, since it uses less digits than its factorization.

3380781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 3380781 is about 1838.6900228152. The cubic root of 3380781 is about 150.0855955911.

The spelling of 3380781 in words is "three million, three hundred eighty thousand, seven hundred eighty-one".