1828773 has 12 divisors (see below), whose sum is σ = 2654028. Its totient is φ = 1213440.

The previous prime is 1828763. The next prime is 1828781. The reversal of 1828773 is 3778281.

It can be written as a sum of positive squares in 2 ways, for example, as 842724 + 986049 = 918^2 + 993^2 .

It is not a de Polignac number, because 1828773 - 2⁶ = 1828709 is a prime.

It is a Curzon number.

1828773 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828703) 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, 2533 + ... + 3173.

It is an arithmetic number, because the mean of its divisors is an integer number (221169).

2^1828773 is an apocalyptic number.

It is an amenable number.

1828773 is a deficient number, since it is larger than the sum of its proper divisors (825255).

1828773 is a wasteful number, since it uses less digits than its factorization.

1828773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964 (or 961 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 1828773 is about 1352.3213375526. The cubic root of 1828773 is about 122.2887766386.

It can be divided in two parts, 1828 and 773, that added together give a square (2601 = 51²).

The spelling of 1828773 in words is "one million, eight hundred twenty-eight thousand, seven hundred seventy-three".