3851100 has 108 divisors (see below), whose sum is σ = 13202280. Its totient is φ = 931200.

The previous prime is 3851087. The next prime is 3851101. The reversal of 3851100 is 11583.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3851101) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9706 + ... + 10094.

Almost surely, 2^3851100 is an apocalyptic number.

3851100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3851100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6601140).

3851100 is an abundant number, since it is smaller than the sum of its proper divisors (9351180).

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

3851100 is a wasteful number, since it uses less digits than its factorization.

3851100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 3851100 is about 1962.4219729712. The cubic root of 3851100 is about 156.7454460190.

Adding to 3851100 its reverse (11583), we get a palindrome (3862683).

It can be divided in two parts, 385 and 1100, that added together give a triangular number (1485 = T₅₄).

The spelling of 3851100 in words is "three million, eight hundred fifty-one thousand, one hundred".