3838281 has 4 divisors (see below), whose sum is σ = 5117712. Its totient is φ = 2558852.

The previous prime is 3838259. The next prime is 3838283. The reversal of 3838281 is 1828383.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1828383 = 3 ⋅609461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3838281 is a prime.

It is a super-2 number, since 2×3838281² = 29464802069922, which contains 22 as substring.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3838283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 639711 + ... + 639716.

It is an arithmetic number, because the mean of its divisors is an integer number (1279428).

Almost surely, 2^3838281 is an apocalyptic number.

It is an amenable number.

3838281 is a deficient number, since it is larger than the sum of its proper divisors (1279431).

3838281 is a wasteful number, since it uses less digits than its factorization.

3838281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279430.

The product of its digits is 9216, while the sum is 33.

The square root of 3838281 is about 1959.1531333717. The cubic root of 3838281 is about 156.5713352929.

The spelling of 3838281 in words is "three million, eight hundred thirty-eight thousand, two hundred eighty-one".