3078881 has 12 divisors (see below), whose sum is σ = 3427452. Its totient is φ = 2749248.

The previous prime is 3078871. The next prime is 3078883. The reversal of 3078881 is 1888703.

It can be written as a sum of positive squares in 6 ways, for example, as 707281 + 2371600 = 841^2 + 1540^2 .

It is not a de Polignac number, because 3078881 - 2¹⁴ = 3062497 is a prime.

It is a super-2 number, since 2×3078881² = 18959016424322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3078883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17711 + ... + 17883.

It is an arithmetic number, because the mean of its divisors is an integer number (285621).

Almost surely, 2^3078881 is an apocalyptic number.

It is an amenable number.

3078881 is a deficient number, since it is larger than the sum of its proper divisors (348571).

3078881 is a wasteful number, since it uses less digits than its factorization.

3078881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 3078881 is about 1754.6740438041. The cubic root of 3078881 is about 145.4781047421.

The spelling of 3078881 in words is "three million, seventy-eight thousand, eight hundred eighty-one".