3885280 has 48 divisors (see below), whose sum is σ = 10493280. Its totient is φ = 1331712.

The previous prime is 3885251. The next prime is 3885281. The reversal of 3885280 is 825883.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3885281) 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, 615 + ... + 2854.

It is an arithmetic number, because the mean of its divisors is an integer number (218610).

Almost surely, 2^3885280 is an apocalyptic number.

It is an amenable number.

3885280 is an abundant number, since it is smaller than the sum of its proper divisors (6608000).

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

3885280 is a wasteful number, since it uses less digits than its factorization.

3885280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 3885280 is about 1971.1113616435. Note that the first 3 decimals coincide. The cubic root of 3885280 is about 157.2078062886.

The spelling of 3885280 in words is "three million, eight hundred eighty-five thousand, two hundred eighty".