3851860 has 24 divisors (see below), whose sum is σ = 8565480. Its totient is φ = 1449984.

The previous prime is 3851857. The next prime is 3851863. The reversal of 3851860 is 681583.

3851860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3851857) and next prime (3851863).

It can be written as a sum of positive squares in 4 ways, for example, as 568516 + 3283344 = 754^2 + 1812^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3851863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5325 + ... + 6004.

It is an arithmetic number, because the mean of its divisors is an integer number (356895).

Almost surely, 2^3851860 is an apocalyptic number.

It is an amenable number.

3851860 is an abundant number, since it is smaller than the sum of its proper divisors (4713620).

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

3851860 is a wasteful number, since it uses less digits than its factorization.

3851860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11355 (or 11353 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 3851860 is about 1962.6156016908. The cubic root of 3851860 is about 156.7557563808.

The spelling of 3851860 in words is "three million, eight hundred fifty-one thousand, eight hundred sixty".