1829945 has 16 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 1320384.

The previous prime is 1829923. The next prime is 1829959. The reversal of 1829945 is 5499281.

It is not a de Polignac number, because 1829945 - 2¹⁴ = 1813561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1829899 and 1829908.

It is an unprimeable number.

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, 2756 + ... + 3354.

It is an arithmetic number, because the mean of its divisors is an integer number (151200).

2^1829945 is an apocalyptic number.

It is an amenable number.

1829945 is a deficient number, since it is larger than the sum of its proper divisors (589255).

1829945 is a wasteful number, since it uses less digits than its factorization.

1829945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its digits is 25920, while the sum is 38.

The square root of 1829945 is about 1352.7545971092. The cubic root of 1829945 is about 122.3148946679.

The spelling of 1829945 in words is "one million, eight hundred twenty-nine thousand, nine hundred forty-five".