1828429 has 4 divisors (see below), whose sum is σ = 1877884. Its totient is φ = 1778976.

The previous prime is 1828423. The next prime is 1828433. The reversal of 1828429 is 9248281.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1695204 + 133225 = 1302^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 1828429 - 2⁵ = 1828397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1828394 and 1828403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828423) 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 3 ways as a sum of consecutive naturals, for example, 24672 + ... + 24745.

It is an arithmetic number, because the mean of its divisors is an integer number (469471).

2^1828429 is an apocalyptic number.

It is an amenable number.

1828429 is a deficient number, since it is larger than the sum of its proper divisors (49455).

1828429 is an equidigital number, since it uses as much as digits as its factorization.

1828429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49454.

The product of its digits is 9216, while the sum is 34.

The square root of 1828429 is about 1352.1941428656. The cubic root of 1828429 is about 122.2811084776.

The spelling of 1828429 in words is "one million, eight hundred twenty-eight thousand, four hundred twenty-nine".