3851900 has 36 divisors (see below), whose sum is σ = 9004632. Its totient is φ = 1421760.

The previous prime is 3851899. The next prime is 3851917. The reversal of 3851900 is 91583.

It is a super-2 number, since 2×3851900² = 29674267220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 3851900.

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 11 ways as a sum of consecutive naturals, for example, 182 + ... + 2781.

Almost surely, 2^3851900 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 3851900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4502316).

3851900 is an abundant number, since it is smaller than the sum of its proper divisors (5152732).

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

3851900 is a wasteful number, since it uses less digits than its factorization.

3851900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2983 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 3851900 is about 1962.6257921468. The cubic root of 3851900 is about 156.7562989939.

The spelling of 3851900 in words is "three million, eight hundred fifty-one thousand, nine hundred".