3751866 has 64 divisors (see below), whose sum is σ = 9106560. Its totient is φ = 1140480.

The previous prime is 3751861. The next prime is 3751871. The reversal of 3751866 is 6681573.

It is an interprime number because it is at equal distance from previous prime (3751861) and next prime (3751871).

It is a self number, because there is not a number n which added to its sum of digits gives 3751866.

It is not an unprimeable number, because it can be changed into a prime (3751861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55965 + ... + 56031.

It is an arithmetic number, because the mean of its divisors is an integer number (142290).

Almost surely, 2^3751866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3751866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4553280).

3751866 is an abundant number, since it is smaller than the sum of its proper divisors (5354694).

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

3751866 is a wasteful number, since it uses less digits than its factorization.

3751866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 150 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 3751866 is about 1936.9734123111. The cubic root of 3751866 is about 155.3873903395.

The spelling of 3751866 in words is "three million, seven hundred fifty-one thousand, eight hundred sixty-six".