3828281 has 8 divisors (see below), whose sum is σ = 4230144. Its totient is φ = 3446080.

The previous prime is 3828269. The next prime is 3828287. The reversal of 3828281 is 1828283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3828281 - 2⁶ = 3828217 is a prime.

It is a super-2 number, since 2×3828281² = 29311470829922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3828287) 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, 4505 + ... + 5286.

It is an arithmetic number, because the mean of its divisors is an integer number (528768).

Almost surely, 2^3828281 is an apocalyptic number.

It is an amenable number.

3828281 is a deficient number, since it is larger than the sum of its proper divisors (401863).

3828281 is a wasteful number, since it uses less digits than its factorization.

3828281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9831.

The product of its digits is 6144, while the sum is 32.

The square root of 3828281 is about 1956.5993458038. The cubic root of 3828281 is about 156.4352435494.

The spelling of 3828281 in words is "three million, eight hundred twenty-eight thousand, two hundred eighty-one".