2789769 has 8 divisors (see below), whose sum is σ = 3732832. Its totient is φ = 1853280.

The previous prime is 2789767. The next prime is 2789777. The reversal of 2789769 is 9679872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2789769 - 2¹ = 2789767 is a prime.

It is a super-2 number, since 2×2789769² = 15565622146722, which contains 22 as substring.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 547 + ... + 2424.

It is an arithmetic number, because the mean of its divisors is an integer number (466604).

2^2789769 is an apocalyptic number.

It is an amenable number.

2789769 is a deficient number, since it is larger than the sum of its proper divisors (943063).

2789769 is a wasteful number, since it uses less digits than its factorization.

2789769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287.

The product of its digits is 381024, while the sum is 48.

The square root of 2789769 is about 1670.2601593764. The cubic root of 2789769 is about 140.7740962860.

It can be divided in two parts, 27897 and 69, that added together give a triangular number (27966 = T₂₃₆).

The spelling of 2789769 in words is "two million, seven hundred eighty-nine thousand, seven hundred sixty-nine".