2789764 has 6 divisors (see below), whose sum is σ = 4882094. Its totient is φ = 1394880.

The previous prime is 2789747. The next prime is 2789767. The reversal of 2789764 is 4679872.

It can be written as a sum of positive squares in only one way, i.e., 1420864 + 1368900 = 1192^2 + 1170^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2789764.

It is not an unprimeable number, because it can be changed into a prime (2789767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348717 + ... + 348724.

2^2789764 is an apocalyptic number.

It is an amenable number.

2789764 is a deficient number, since it is larger than the sum of its proper divisors (2092330).

2789764 is a wasteful number, since it uses less digits than its factorization.

2789764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697445 (or 697443 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 2789764 is about 1670.2586626029. The cubic root of 2789764 is about 140.7740121845.

It can be divided in two parts, 2789 and 764, that added together give a palindrome (3553).

The spelling of 2789764 in words is "two million, seven hundred eighty-nine thousand, seven hundred sixty-four".