3308281 has 4 divisors (see below), whose sum is σ = 3397732. Its totient is φ = 3218832.

The previous prime is 3308273. The next prime is 3308303. The reversal of 3308281 is 1828033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1828033 = 251 ⋅7283.

It can be written as a sum of positive squares in 2 ways, for example, as 2298256 + 1010025 = 1516^2 + 1005^2 .

It is a cyclic number.

It is not a de Polignac number, because 3308281 - 2³ = 3308273 is a prime.

It is a super-2 number, since 2×3308281² = 21889446349922, which contains 22 as substring.

It is a Duffinian number.

3308281 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3308381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44670 + ... + 44743.

It is an arithmetic number, because the mean of its divisors is an integer number (849433).

Almost surely, 2^3308281 is an apocalyptic number.

It is an amenable number.

3308281 is a deficient number, since it is larger than the sum of its proper divisors (89451).

3308281 is an equidigital number, since it uses as much as digits as its factorization.

3308281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89450.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 3308281 is about 1818.8680545878. The cubic root of 3308281 is about 149.0049845937.

The spelling of 3308281 in words is "three million, three hundred eight thousand, two hundred eighty-one".