2789742 has 16 divisors (see below), whose sum is σ = 5772240. Its totient is φ = 897792.

The previous prime is 2789729. The next prime is 2789747. The reversal of 2789742 is 2479872.

2789742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2789742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2789747) 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 in 7 ways as a sum of consecutive naturals, for example, 7843 + ... + 8190.

It is an arithmetic number, because the mean of its divisors is an integer number (360765).

2^2789742 is an apocalyptic number.

2789742 is an abundant number, since it is smaller than the sum of its proper divisors (2982498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2789742 is a wasteful number, since it uses less digits than its factorization.

2789742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16067.

The product of its digits is 56448, while the sum is 39.

The square root of 2789742 is about 1670.2520767836. The cubic root of 2789742 is about 140.7736421369.

The spelling of 2789742 in words is "two million, seven hundred eighty-nine thousand, seven hundred forty-two".