3876780 has 24 divisors (see below), whose sum is σ = 10855152. Its totient is φ = 1033792.

The previous prime is 3876773. The next prime is 3876781. The reversal of 3876780 is 876783.

It is not an unprimeable number, because it can be changed into a prime (3876781) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 32247 + ... + 32366.

It is an arithmetic number, because the mean of its divisors is an integer number (452298).

Almost surely, 2^3876780 is an apocalyptic number.

3876780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3876780 is an abundant number, since it is smaller than the sum of its proper divisors (6978372).

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

3876780 is a wasteful number, since it uses less digits than its factorization.

3876780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64625 (or 64623 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 3876780 is about 1968.9540370461. The cubic root of 3876780 is about 157.0930790780.

It can be divided in two parts, 3876 and 780, that added together give a triangular number (4656 = T₉₆).

The spelling of 3876780 in words is "three million, eight hundred seventy-six thousand, seven hundred eighty".