3884280 has 32 divisors (see below), whose sum is σ = 11653200. Its totient is φ = 1035776.

The previous prime is 3884267. The next prime is 3884291. The reversal of 3884280 is 824883.

It is a super-2 number, since 2×3884280² = 30175262236800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16065 + ... + 16304.

Almost surely, 2^3884280 is an apocalyptic number.

3884280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3884280 is an abundant number, since it is smaller than the sum of its proper divisors (7768920).

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

3884280 is a wasteful number, since it uses less digits than its factorization.

3884280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32383 (or 32379 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 3884280 is about 1970.8576813154. The cubic root of 3884280 is about 157.1943176600.

The spelling of 3884280 in words is "three million, eight hundred eighty-four thousand, two hundred eighty".