3828117 has 4 divisors (see below), whose sum is σ = 5104160. Its totient is φ = 2552076.

The previous prime is 3828113. The next prime is 3828119. The reversal of 3828117 is 7118283.

It is a happy number.

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: 7118283 = 3 ⋅2372761.

It is not a de Polignac number, because 3828117 - 2² = 3828113 is a prime.

It is a D-number.

It is a Duffinian number.

3828117 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3828113) 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, 638017 + ... + 638022.

It is an arithmetic number, because the mean of its divisors is an integer number (1276040).

Almost surely, 2^3828117 is an apocalyptic number.

It is an amenable number.

3828117 is a deficient number, since it is larger than the sum of its proper divisors (1276043).

3828117 is a wasteful number, since it uses less digits than its factorization.

3828117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276042.

The product of its digits is 2688, while the sum is 30.

The square root of 3828117 is about 1956.5574359062. The cubic root of 3828117 is about 156.4330096707.

The spelling of 3828117 in words is "three million, eight hundred twenty-eight thousand, one hundred seventeen".