3280381 has 8 divisors (see below), whose sum is σ = 3556224. Its totient is φ = 3007920.

The previous prime is 3280373. The next prime is 3280391. The reversal of 3280381 is 1830823.

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

It is a cyclic number.

It is not a de Polignac number, because 3280381 - 2³ = 3280373 is a prime.

It is a super-2 number, since 2×3280381² = 21521799010322, 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 (3280391) 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 7 ways as a sum of consecutive naturals, for example, 1416 + ... + 2926.

It is an arithmetic number, because the mean of its divisors is an integer number (444528).

Almost surely, 2^3280381 is an apocalyptic number.

It is an amenable number.

3280381 is a deficient number, since it is larger than the sum of its proper divisors (275843).

3280381 is a wasteful number, since it uses less digits than its factorization.

3280381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691.

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

The square root of 3280381 is about 1811.1822106017. The cubic root of 3280381 is about 148.5849295194.

The spelling of 3280381 in words is "three million, two hundred eighty thousand, three hundred eighty-one".