3158878 has 4 divisors (see below), whose sum is σ = 4738320. Its totient is φ = 1579438.

The previous prime is 3158873. The next prime is 3158879. The reversal of 3158878 is 8788513.

3158878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 3158878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3158873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789718 + ... + 789721.

It is an arithmetic number, because the mean of its divisors is an integer number (1184580).

Almost surely, 2^3158878 is an apocalyptic number.

3158878 is a deficient number, since it is larger than the sum of its proper divisors (1579442).

3158878 is a wasteful number, since it uses less digits than its factorization.

3158878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579441.

The product of its digits is 53760, while the sum is 40.

The square root of 3158878 is about 1777.3232682886. The cubic root of 3158878 is about 146.7273084861.

The spelling of 3158878 in words is "three million, one hundred fifty-eight thousand, eight hundred seventy-eight".