3866346 has 64 divisors (see below), whose sum is σ = 9815040. Its totient is φ = 1116720.

The previous prime is 3866333. The next prime is 3866393. The reversal of 3866346 is 6436683.

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 3866346.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13521 + ... + 13803.

It is an arithmetic number, because the mean of its divisors is an integer number (153360).

Almost surely, 2^3866346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3866346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4907520).

3866346 is an abundant number, since it is smaller than the sum of its proper divisors (5948694).

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

3866346 is a wasteful number, since it uses less digits than its factorization.

3866346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 322 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 3866346 is about 1966.3026216735. The cubic root of 3866346 is about 156.9520185507.

The spelling of 3866346 in words is "three million, eight hundred sixty-six thousand, three hundred forty-six".