3901864 has 8 divisors (see below), whose sum is σ = 7316010. Its totient is φ = 1950928.

The previous prime is 3901853. The next prime is 3901867. The reversal of 3901864 is 4681093.

3901864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2079364 + 1822500 = 1442^2 + 1350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (3901867) 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, 243859 + ... + 243874.

Almost surely, 2^3901864 is an apocalyptic number.

It is an amenable number.

3901864 is a deficient number, since it is larger than the sum of its proper divisors (3414146).

3901864 is a wasteful number, since it uses less digits than its factorization.

3901864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487739 (or 487735 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 3901864 is about 1975.3136459813. The cubic root of 3901864 is about 157.4311650155.

The spelling of 3901864 in words is "three million, nine hundred one thousand, eight hundred sixty-four".