3890868 has 12 divisors (see below), whose sum is σ = 9078720. Its totient is φ = 1296952.

The previous prime is 3890863. The next prime is 3890879. The reversal of 3890868 is 8680983.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162108 + ... + 162131.

It is an arithmetic number, because the mean of its divisors is an integer number (756560).

Almost surely, 2^3890868 is an apocalyptic number.

It is an amenable number.

3890868 is an abundant number, since it is smaller than the sum of its proper divisors (5187852).

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

3890868 is a wasteful number, since it uses less digits than its factorization.

3890868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324246 (or 324244 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 3890868 is about 1972.5283267928. The cubic root of 3890868 is about 157.2831381738.

The spelling of 3890868 in words is "three million, eight hundred ninety thousand, eight hundred sixty-eight".