3868956 has 72 divisors (see below), whose sum is σ = 12046944. Its totient is φ = 1019520.

The previous prime is 3868937. The next prime is 3868957. The reversal of 3868956 is 6598683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3868957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2686 + ... + 3866.

Almost surely, 2^3868956 is an apocalyptic number.

3868956 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3868956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6023472).

3868956 is an abundant number, since it is smaller than the sum of its proper divisors (8177988).

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

3868956 is a wasteful number, since it uses less digits than its factorization.

3868956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1206 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 3868956 is about 1966.9661918803. The cubic root of 3868956 is about 156.9873277397.

The spelling of 3868956 in words is "three million, eight hundred sixty-eight thousand, nine hundred fifty-six".