1828239 has 12 divisors (see below), whose sum is σ = 2835864. Its totient is φ = 1044624.

The previous prime is 1828223. The next prime is 1828243. The reversal of 1828239 is 9328281.

It is not a de Polignac number, because 1828239 - 2⁴ = 1828223 is a prime.

It is a super-2 number, since 2×1828239² = 6684915682242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6072 + ... + 6365.

It is an arithmetic number, because the mean of its divisors is an integer number (236322).

2^1828239 is an apocalyptic number.

1828239 is a deficient number, since it is larger than the sum of its proper divisors (1007625).

1828239 is a wasteful number, since it uses less digits than its factorization.

1828239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12454 (or 12447 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 1828239 is about 1352.1238848567. The cubic root of 1828239 is about 122.2768727438.

The spelling of 1828239 in words is "one million, eight hundred twenty-eight thousand, two hundred thirty-nine".