3846780 has 144 divisors (see below), whose sum is σ = 13837824. Its totient is φ = 846720.

The previous prime is 3846769. The next prime is 3846833. The reversal of 3846780 is 876483.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 54145 + ... + 54215.

It is an arithmetic number, because the mean of its divisors is an integer number (96096).

Almost surely, 2^3846780 is an apocalyptic number.

3846780 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 3846780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6918912).

3846780 is an abundant number, since it is smaller than the sum of its proper divisors (9991044).

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

3846780 is a wasteful number, since it uses less digits than its factorization.

3846780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 3846780 is about 1961.3209834191. The cubic root of 3846780 is about 156.6868139675.

The spelling of 3846780 in words is "three million, eight hundred forty-six thousand, seven hundred eighty".