3873156 has 48 divisors (see below), whose sum is σ = 10550400. Its totient is φ = 1105440.

The previous prime is 3873151. The next prime is 3873157. The reversal of 3873156 is 6513783.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3873151) 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, 3646 + ... + 4586.

It is an arithmetic number, because the mean of its divisors is an integer number (219800).

Almost surely, 2^3873156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3873156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5275200).

3873156 is an abundant number, since it is smaller than the sum of its proper divisors (6677244).

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

3873156 is a wasteful number, since it uses less digits than its factorization.

3873156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969 (or 953 counting only the distinct ones).

The product of its digits is 15120, while the sum is 33.

The square root of 3873156 is about 1968.0335362996. The cubic root of 3873156 is about 157.0441138023.

The spelling of 3873156 in words is "three million, eight hundred seventy-three thousand, one hundred fifty-six".