1828769 has 8 divisors (see below), whose sum is σ = 1992000. Its totient is φ = 1672272.

The previous prime is 1828763. The next prime is 1828781. The reversal of 1828769 is 9678281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1828769 - 2¹² = 1824673 is a prime.

It is a super-2 number, since 2×1828769² = 6688792110722, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1828763) 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 7 ways as a sum of consecutive naturals, for example, 1109 + ... + 2210.

It is an arithmetic number, because the mean of its divisors is an integer number (249000).

2^1828769 is an apocalyptic number.

1828769 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1828769 is a deficient number, since it is larger than the sum of its proper divisors (163231).

1828769 is a wasteful number, since it uses less digits than its factorization.

1828769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367.

The product of its digits is 48384, while the sum is 41.

The square root of 1828769 is about 1352.3198586133. The cubic root of 1828769 is about 122.2886874794.

The spelling of 1828769 in words is "one million, eight hundred twenty-eight thousand, seven hundred sixty-nine".