2239769 has 4 divisors (see below), whose sum is σ = 2559744. Its totient is φ = 1919796.

The previous prime is 2239759. The next prime is 2239793. The reversal of 2239769 is 9679322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2239769 - 2⁴ = 2239753 is a prime.

It is a super-2 number, since 2×2239769² = 10033130346722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2239709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159977 + ... + 159990.

It is an arithmetic number, because the mean of its divisors is an integer number (639936).

2^2239769 is an apocalyptic number.

It is an amenable number.

2239769 is a deficient number, since it is larger than the sum of its proper divisors (319975).

2239769 is an equidigital number, since it uses as much as digits as its factorization.

2239769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319974.

The product of its digits is 40824, while the sum is 38.

The square root of 2239769 is about 1496.5857810363. The cubic root of 2239769 is about 130.8381545367.

The spelling of 2239769 in words is "two million, two hundred thirty-nine thousand, seven hundred sixty-nine".