3378281 has 4 divisors (see below), whose sum is σ = 3435600. Its totient is φ = 3320964.

The previous prime is 3378259. The next prime is 3378289. The reversal of 3378281 is 1828733.

3378281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1828733 = 431 ⋅4243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3378281 is a prime.

It is a super-2 number, since 2×3378281² = 22825565029922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3378289) 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 in 3 ways as a sum of consecutive naturals, for example, 28571 + ... + 28688.

It is an arithmetic number, because the mean of its divisors is an integer number (858900).

Almost surely, 2^3378281 is an apocalyptic number.

It is an amenable number.

3378281 is a deficient number, since it is larger than the sum of its proper divisors (57319).

3378281 is an equidigital number, since it uses as much as digits as its factorization.

3378281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57318.

The product of its digits is 8064, while the sum is 32.

The square root of 3378281 is about 1838.0100652608. The cubic root of 3378281 is about 150.0485916647.

The spelling of 3378281 in words is "three million, three hundred seventy-eight thousand, two hundred eighty-one".