1828231 has 16 divisors (see below), whose sum is σ = 2062368. Its totient is φ = 1612800.

The previous prime is 1828223. The next prime is 1828243. The reversal of 1828231 is 1328281.

It is a cyclic number.

It is not a de Polignac number, because 1828231 - 2³ = 1828223 is a prime.

It is a super-2 number, since 2×1828231² = 6684857178722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1828196 and 1828205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29941 + ... + 30001.

It is an arithmetic number, because the mean of its divisors is an integer number (128898).

2^1828231 is an apocalyptic number.

1828231 is a deficient number, since it is larger than the sum of its proper divisors (234137).

1828231 is a wasteful number, since it uses less digits than its factorization.

1828231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162.

The product of its digits is 768, while the sum is 25.

The square root of 1828231 is about 1352.1209265447. The cubic root of 1828231 is about 122.2766943907.

The spelling of 1828231 in words is "one million, eight hundred twenty-eight thousand, two hundred thirty-one".