3828393 has 6 divisors (see below), whose sum is σ = 5529914. Its totient is φ = 2552256.

The previous prime is 3828389. The next prime is 3828397. The reversal of 3828393 is 3938283.

It is an interprime number because it is at equal distance from previous prime (3828389) and next prime (3828397).

It can be written as a sum of positive squares in only one way, i.e., 2812329 + 1016064 = 1677^2 + 1008^2 .

It is not a de Polignac number, because 3828393 - 2² = 3828389 is a prime.

It is a super-3 number, since 3×3828393³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3828397) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212680 + ... + 212697.

Almost surely, 2^3828393 is an apocalyptic number.

It is an amenable number.

3828393 is a deficient number, since it is larger than the sum of its proper divisors (1701521).

3828393 is a wasteful number, since it uses less digits than its factorization.

3828393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425383 (or 425380 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 3828393 is about 1956.6279666815. The cubic root of 3828393 is about 156.4367690885.

The spelling of 3828393 in words is "three million, eight hundred twenty-eight thousand, three hundred ninety-three".