3881180 has 24 divisors (see below), whose sum is σ = 8341872. Its totient is φ = 1516032.

The previous prime is 3881177. The next prime is 3881203. The reversal of 3881180 is 811883.

It is a happy number.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1397 + ... + 3116.

It is an arithmetic number, because the mean of its divisors is an integer number (347578).

Almost surely, 2^3881180 is an apocalyptic number.

It is an amenable number.

3881180 is an abundant number, since it is smaller than the sum of its proper divisors (4460692).

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

3881180 is a wasteful number, since it uses less digits than its factorization.

3881180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4565 (or 4563 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 3881180 is about 1970.0710647081. The cubic root of 3881180 is about 157.1524881937.

It can be divided in two parts, 38 and 81180, that added together give a palindrome (81218).

The spelling of 3881180 in words is "three million, eight hundred eighty-one thousand, one hundred eighty".