3934878 has 16 divisors (see below), whose sum is σ = 7912080. Its totient is φ = 1304576.

The previous prime is 3934877. The next prime is 3934901. The reversal of 3934878 is 8784393.

3934878 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3934873) 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 in 7 ways as a sum of consecutive naturals, for example, 483 + ... + 2846.

It is an arithmetic number, because the mean of its divisors is an integer number (494505).

Almost surely, 2^3934878 is an apocalyptic number.

3934878 is an abundant number, since it is smaller than the sum of its proper divisors (3977202).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3934878 is a wasteful number, since it uses less digits than its factorization.

3934878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531.

The product of its digits is 145152, while the sum is 42.

The square root of 3934878 is about 1983.6526913752. The cubic root of 3934878 is about 157.8739313756.

The spelling of 3934878 in words is "three million, nine hundred thirty-four thousand, eight hundred seventy-eight".