3881078 has 16 divisors (see below), whose sum is σ = 6032880. Its totient is φ = 1871136.

The previous prime is 3881077. The next prime is 3881093. The reversal of 3881078 is 8701883.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881071) 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, 13100 + ... + 13392.

It is an arithmetic number, because the mean of its divisors is an integer number (377055).

Almost surely, 2^3881078 is an apocalyptic number.

3881078 is a deficient number, since it is larger than the sum of its proper divisors (2151802).

3881078 is a wasteful number, since it uses less digits than its factorization.

3881078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511.

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

The square root of 3881078 is about 1970.0451771470. The cubic root of 3881078 is about 157.1511114908.

The spelling of 3881078 in words is "three million, eight hundred eighty-one thousand, seventy-eight".