3890208 has 72 divisors (see below), whose sum is σ = 11893392. Its totient is φ = 1110144.

The previous prime is 3890191. The next prime is 3890219. The reversal of 3890208 is 8020983.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4291 + ... + 5117.

It is an arithmetic number, because the mean of its divisors is an integer number (165186).

Almost surely, 2^3890208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3890208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5946696).

3890208 is an abundant number, since it is smaller than the sum of its proper divisors (8003184).

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

3890208 is a wasteful number, since it uses less digits than its factorization.

3890208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 839 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 3890208 is about 1972.3610217199. The cubic root of 3890208 is about 157.2742444650.

The spelling of 3890208 in words is "three million, eight hundred ninety thousand, two hundred eight".