3390281 has 4 divisors (see below), whose sum is σ = 3410052. Its totient is φ = 3370512.

The previous prime is 3390271. The next prime is 3390287. The reversal of 3390281 is 1820933.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2298256 + 1092025 = 1516^2 + 1045^2 .

It is a cyclic number.

It is not a de Polignac number, because 3390281 - 2⁶ = 3390217 is a prime.

It is a super-2 number, since 2×3390281² = 22988010517922, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3390281.

It is not an unprimeable number, because it can be changed into a prime (3390287) 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 3 ways as a sum of consecutive naturals, for example, 9626 + ... + 9971.

It is an arithmetic number, because the mean of its divisors is an integer number (852513).

Almost surely, 2^3390281 is an apocalyptic number.

It is an amenable number.

3390281 is a deficient number, since it is larger than the sum of its proper divisors (19771).

3390281 is a wasteful number, since it uses less digits than its factorization.

3390281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19770.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3390281 is about 1841.2715714962. The cubic root of 3390281 is about 150.2260443737.

The spelling of 3390281 in words is "three million, three hundred ninety thousand, two hundred eighty-one".