3877280 has 48 divisors (see below), whose sum is σ = 9997344. Its totient is φ = 1409280.

The previous prime is 3877259. The next prime is 3877283. The reversal of 3877280 is 827783.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3877280.

It is not an unprimeable number, because it can be changed into a prime (3877283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659 + ... + 2861.

It is an arithmetic number, because the mean of its divisors is an integer number (208278).

Almost surely, 2^3877280 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 3877280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4998672).

3877280 is an abundant number, since it is smaller than the sum of its proper divisors (6120064).

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

3877280 is a wasteful number, since it uses less digits than its factorization.

3877280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229 (or 2221 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 3877280 is about 1969.0810039204. The cubic root of 3877280 is about 157.0998323770.

It can be divided in two parts, 387 and 7280, that added together give a palindrome (7667).

The spelling of 3877280 in words is "three million, eight hundred seventy-seven thousand, two hundred eighty".