3904386 has 32 divisors (see below), whose sum is σ = 8510400. Its totient is φ = 1189440.

The previous prime is 3904379. The next prime is 3904387. The reversal of 3904386 is 6834093.

3904386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3904387) 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 15 ways as a sum of consecutive naturals, for example, 2716 + ... + 3896.

It is an arithmetic number, because the mean of its divisors is an integer number (265950).

Almost surely, 2^3904386 is an apocalyptic number.

3904386 is an abundant number, since it is smaller than the sum of its proper divisors (4606014).

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

3904386 is a wasteful number, since it uses less digits than its factorization.

3904386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 3904386 is about 1975.9519224920. The cubic root of 3904386 is about 157.4650766610.

The spelling of 3904386 in words is "three million, nine hundred four thousand, three hundred eighty-six".