3860280 has 48 divisors (see below), whose sum is σ = 12547080. Its totient is φ = 1029312.

The previous prime is 3860267. The next prime is 3860281. The reversal of 3860280 is 820683.

3860280 is a `hidden beast` number, since 386 + 0 + 280 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3860281) 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 11 ways as a sum of consecutive naturals, for example, 5002 + ... + 5721.

Almost surely, 2^3860280 is an apocalyptic number.

3860280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3860280 is an abundant number, since it is smaller than the sum of its proper divisors (8686800).

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

3860280 is a wasteful number, since it uses less digits than its factorization.

3860280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10740 (or 10733 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 3860280 is about 1964.7595272704. The cubic root of 3860280 is about 156.8698936979.

The spelling of 3860280 in words is "three million, eight hundred sixty thousand, two hundred eighty".