2789522 has 6 divisors (see below), whose sum is σ = 4187829. Its totient is φ = 1393580.

The previous prime is 2789503. The next prime is 2789551. The reversal of 2789522 is 2259872.

It can be written as a sum of positive squares in 2 ways, for example, as 2163841 + 625681 = 1471^2 + 791^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1181.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1772 + ... + 2952.

2^2789522 is an apocalyptic number.

2789522 is a deficient number, since it is larger than the sum of its proper divisors (1398307).

2789522 is an frugal number, since it uses more digits than its factorization.

2789522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364 (or 1183 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 2789522 is about 1670.1862171626. The cubic root of 2789522 is about 140.7699415540.

The spelling of 2789522 in words is "two million, seven hundred eighty-nine thousand, five hundred twenty-two".