3890286 has 12 divisors (see below), whose sum is σ = 8428992. Its totient is φ = 1296756.

The previous prime is 3890267. The next prime is 3890309. The reversal of 3890286 is 6820983.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3890286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 108046 + ... + 108081.

It is an arithmetic number, because the mean of its divisors is an integer number (702416).

Almost surely, 2^3890286 is an apocalyptic number.

3890286 is an abundant number, since it is smaller than the sum of its proper divisors (4538706).

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

3890286 is a wasteful number, since it uses less digits than its factorization.

3890286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216135 (or 216132 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 3890286 is about 1972.3807948771. The cubic root of 3890286 is about 157.2752955921.

The spelling of 3890286 in words is "three million, eight hundred ninety thousand, two hundred eighty-six".