3849842 has 4 divisors (see below), whose sum is σ = 5774766. Its totient is φ = 1924920.

The previous prime is 3849841. The next prime is 3849847. The reversal of 3849842 is 2489483.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3682561 + 167281 = 1919^2 + 409^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3849796 and 3849805.

It is not an unprimeable number, because it can be changed into a prime (3849841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962459 + ... + 962462.

Almost surely, 2^3849842 is an apocalyptic number.

3849842 is a deficient number, since it is larger than the sum of its proper divisors (1924924).

3849842 is a wasteful number, since it uses less digits than its factorization.

3849842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924923.

The product of its digits is 55296, while the sum is 38.

The square root of 3849842 is about 1962.1014244936. The cubic root of 3849842 is about 156.7283766755.

The spelling of 3849842 in words is "three million, eight hundred forty-nine thousand, eight hundred forty-two".