3858242 has 4 divisors (see below), whose sum is σ = 5787366. Its totient is φ = 1929120.

The previous prime is 3858233. The next prime is 3858251. The reversal of 3858242 is 2428583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2428583 = 1033 ⋅2351.

It is an interprime number because it is at equal distance from previous prime (3858233) and next prime (3858251).

It can be written as a sum of positive squares in only one way, i.e., 3200521 + 657721 = 1789^2 + 811^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3858199 and 3858208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964559 + ... + 964562.

Almost surely, 2^3858242 is an apocalyptic number.

3858242 is a deficient number, since it is larger than the sum of its proper divisors (1929124).

3858242 is a wasteful number, since it uses less digits than its factorization.

3858242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1929123.

The product of its digits is 15360, while the sum is 32.

The square root of 3858242 is about 1964.2408202662. The cubic root of 3858242 is about 156.8422828233.

The spelling of 3858242 in words is "three million, eight hundred fifty-eight thousand, two hundred forty-two".