3828742 has 4 divisors (see below), whose sum is σ = 5743116. Its totient is φ = 1914370.

The previous prime is 3828733. The next prime is 3828743. The reversal of 3828742 is 2478283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2478283 = 103 ⋅24061.

It is a junction number, because it is equal to n+sod(n) for n = 3828698 and 3828707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3828743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957184 + ... + 957187.

It is an arithmetic number, because the mean of its divisors is an integer number (1435779).

Almost surely, 2^3828742 is an apocalyptic number.

3828742 is a deficient number, since it is larger than the sum of its proper divisors (1914374).

3828742 is a wasteful number, since it uses less digits than its factorization.

3828742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1914373.

The product of its digits is 21504, while the sum is 34.

The square root of 3828742 is about 1956.7171486957. The cubic root of 3828742 is about 156.4415225863.

The spelling of 3828742 in words is "three million, eight hundred twenty-eight thousand, seven hundred forty-two".