2028269 has 4 divisors (see below), whose sum is σ = 2135040. Its totient is φ = 1921500.

The previous prime is 2028263. The next prime is 2028277. The reversal of 2028269 is 9628202.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-2028269 is a prime.

It is a super-2 number, since 2×2028269² = 8227750272722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028263) 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, 53357 + ... + 53394.

It is an arithmetic number, because the mean of its divisors is an integer number (533760).

2^2028269 is an apocalyptic number.

It is an amenable number.

2028269 is a deficient number, since it is larger than the sum of its proper divisors (106771).

2028269 is a wasteful number, since it uses less digits than its factorization.

2028269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106770.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2028269 is about 1424.1730934125. The cubic root of 2028269 is about 126.5829417472.

The spelling of 2028269 in words is "two million, twenty-eight thousand, two hundred sixty-nine".