3866976 has 72 divisors (see below), whose sum is σ = 11400480. Its totient is φ = 1241856.

The previous prime is 3866969. The next prime is 3866977. The reversal of 3866976 is 6796683.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3866977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8121 + ... + 8583.

It is an arithmetic number, because the mean of its divisors is an integer number (158340).

Almost surely, 2^3866976 is an apocalyptic number.

3866976 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 3866976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5700240).

3866976 is an abundant number, since it is smaller than the sum of its proper divisors (7533504).

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

3866976 is a wasteful number, since it uses less digits than its factorization.

3866976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508 (or 497 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 3866976 is about 1966.4628142937. The cubic root of 3866976 is about 156.9605429129.

The spelling of 3866976 in words is "three million, eight hundred sixty-six thousand, nine hundred seventy-six".