3866772 has 48 divisors (see below), whose sum is σ = 11107712. Its totient is φ = 1019520.

The previous prime is 3866767. The next prime is 3866777. The reversal of 3866772 is 2776683.

It is an interprime number because it is at equal distance from previous prime (3866767) and next prime (3866777).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 3866772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3866777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 679 + ... + 2862.

Almost surely, 2^3866772 is an apocalyptic number.

It is an amenable number.

3866772 is an abundant number, since it is smaller than the sum of its proper divisors (7240940).

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

3866772 is a wasteful number, since it uses less digits than its factorization.

3866772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3568 (or 3566 counting only the distinct ones).

The product of its digits is 84672, while the sum is 39.

The square root of 3866772 is about 1966.4109438263. The cubic root of 3866772 is about 156.9577827446.

The spelling of 3866772 in words is "three million, eight hundred sixty-six thousand, seven hundred seventy-two".