3881850 has 48 divisors (see below), whose sum is σ = 11005248. Its totient is φ = 887040.

The previous prime is 3881849. The next prime is 3881863. The reversal of 3881850 is 581883.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 799 + ... + 2898.

It is an arithmetic number, because the mean of its divisors is an integer number (229276).

Almost surely, 2^3881850 is an apocalyptic number.

3881850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3881850 is an abundant number, since it is smaller than the sum of its proper divisors (7123398).

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

3881850 is a wasteful number, since it uses less digits than its factorization.

3881850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719 (or 3714 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 3881850 is about 1970.2411019974. The cubic root of 3881850 is about 157.1615306420.

Adding to 3881850 its sum of digits (33), we get a palindrome (3881883).

The spelling of 3881850 in words is "three million, eight hundred eighty-one thousand, eight hundred fifty".