3901208 has 8 divisors (see below), whose sum is σ = 7314780. Its totient is φ = 1950600.

The previous prime is 3901201. The next prime is 3901217. The reversal of 3901208 is 8021093.

3901208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901201) 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, 243818 + ... + 243833.

Almost surely, 2^3901208 is an apocalyptic number.

It is an amenable number.

3901208 is a deficient number, since it is larger than the sum of its proper divisors (3413572).

3901208 is a wasteful number, since it uses less digits than its factorization.

3901208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487657 (or 487653 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 3901208 is about 1975.1475894221. The cubic root of 3901208 is about 157.4223418281.

Subtracting 3901208 from its reverse (8021093), we obtain a triangular number (4119885 = T₂₈₇₀).

The spelling of 3901208 in words is "three million, nine hundred one thousand, two hundred eight".