3920208 has 20 divisors (see below), whose sum is σ = 10127328. Its totient is φ = 1306720.

The previous prime is 3920201. The next prime is 3920209. The reversal of 3920208 is 8020293.

3920208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920201) 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 3 ways as a sum of consecutive naturals, for example, 40788 + ... + 40883.

Almost surely, 2^3920208 is an apocalyptic number.

It is an amenable number.

3920208 is an abundant number, since it is smaller than the sum of its proper divisors (6207120).

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

3920208 is a wasteful number, since it uses less digits than its factorization.

3920208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81682 (or 81676 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 3920208 is about 1979.9515145579. The cubic root of 3920208 is about 157.6774920171.

The spelling of 3920208 in words is "three million, nine hundred twenty thousand, two hundred eight".