2789965 has 8 divisors (see below), whose sum is σ = 3356928. Its totient is φ = 2226000.

The previous prime is 2789951. The next prime is 2789993. The reversal of 2789965 is 5699872.

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

It is not a de Polignac number, because 2789965 - 2¹⁹ = 2265677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3340 + ... + 4090.

It is an arithmetic number, because the mean of its divisors is an integer number (419616).

2^2789965 is an apocalyptic number.

It is an amenable number.

2789965 is a deficient number, since it is larger than the sum of its proper divisors (566963).

2789965 is an equidigital number, since it uses as much as digits as its factorization.

2789965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499.

The product of its digits is 272160, while the sum is 46.

The square root of 2789965 is about 1670.3188318402. The cubic root of 2789965 is about 140.7773929839. Note that the first 3 decimals are identical.

The spelling of 2789965 in words is "two million, seven hundred eighty-nine thousand, nine hundred sixty-five".