3866748 has 12 divisors (see below), whose sum is σ = 9022440. Its totient is φ = 1288912.

The previous prime is 3866741. The next prime is 3866749. The reversal of 3866748 is 8476683.

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

It is a super-3 number, since 3×3866748³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3866741) 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, 161103 + ... + 161126.

It is an arithmetic number, because the mean of its divisors is an integer number (751870).

Almost surely, 2^3866748 is an apocalyptic number.

It is an amenable number.

3866748 is an abundant number, since it is smaller than the sum of its proper divisors (5155692).

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

3866748 is a wasteful number, since it uses less digits than its factorization.

3866748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322236 (or 322234 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 3866748 is about 1966.4048413285. The cubic root of 3866748 is about 156.9574580125.

The spelling of 3866748 in words is "three million, eight hundred sixty-six thousand, seven hundred forty-eight".