2847742 has 16 divisors (see below), whose sum is σ = 4541760. Its totient is φ = 1336608.

The previous prime is 2847731. The next prime is 2847749. The reversal of 2847742 is 2477482.

It is a junction number, because it is equal to n+sod(n) for n = 2847698 and 2847707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2847749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1483 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (283860).

2^2847742 is an apocalyptic number.

2847742 is a deficient number, since it is larger than the sum of its proper divisors (1694018).

2847742 is a wasteful number, since it uses less digits than its factorization.

2847742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395.

The product of its digits is 25088, while the sum is 34.

The square root of 2847742 is about 1687.5254072161. The cubic root of 2847742 is about 141.7425408246.

The spelling of 2847742 in words is "two million, eight hundred forty-seven thousand, seven hundred forty-two".