2847938 has 4 divisors (see below), whose sum is σ = 4271910. Its totient is φ = 1423968.

The previous prime is 2847937. The next prime is 2847961. The reversal of 2847938 is 8397482.

2847938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 2765569 + 82369 = 1663^2 + 287^2 .

It is a super-2 number, since 2×2847938² = 16221501703688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2847895 and 2847904.

It is not an unprimeable number, because it can be changed into a prime (2847931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711983 + ... + 711986.

2^2847938 is an apocalyptic number.

2847938 is a deficient number, since it is larger than the sum of its proper divisors (1423972).

2847938 is a wasteful number, since it uses less digits than its factorization.

2847938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423971.

The product of its digits is 96768, while the sum is 41.

The square root of 2847938 is about 1687.5834794166. The cubic root of 2847938 is about 141.7457926290.

The spelling of 2847938 in words is "two million, eight hundred forty-seven thousand, nine hundred thirty-eight".