3859280 has 40 divisors (see below), whose sum is σ = 9448800. Its totient is φ = 1461888.

The previous prime is 3859279. The next prime is 3859309. The reversal of 3859280 is 829583.

3859280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 3859280.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251 + ... + 2789.

It is an arithmetic number, because the mean of its divisors is an integer number (236220).

Almost surely, 2^3859280 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 3859280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4724400).

3859280 is an abundant number, since it is smaller than the sum of its proper divisors (5589520).

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

3859280 is a wasteful number, since it uses less digits than its factorization.

3859280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571 (or 2565 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 3859280 is about 1964.5050267179. The cubic root of 3859280 is about 156.8563468877.

The spelling of 3859280 in words is "three million, eight hundred fifty-nine thousand, two hundred eighty".