3866368 has 36 divisors (see below), whose sum is σ = 8425368. Its totient is φ = 1756160.

The previous prime is 3866333. The next prime is 3866393. The reversal of 3866368 is 8636683.

It is a super-2 number, since 2×3866368² = 29897603022848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3866368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2130 + ... + 3502.

It is an arithmetic number, because the mean of its divisors is an integer number (234038).

Almost surely, 2^3866368 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 3866368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4212684).

3866368 is an abundant number, since it is smaller than the sum of its proper divisors (4559000).

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

3866368 is a wasteful number, since it uses less digits than its factorization.

3866368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1386 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 3866368 is about 1966.3082159214. The cubic root of 3866368 is about 156.9523162424.

The spelling of 3866368 in words is "three million, eight hundred sixty-six thousand, three hundred sixty-eight".