1829556 has 18 divisors (see below), whose sum is σ = 4624802. Its totient is φ = 609840.

The previous prime is 1829551. The next prime is 1829563. The reversal of 1829556 is 6559281.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1822500 + 7056 = 1350^2 + 84^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 50821 = 1829556 / (1 + 8 + 2 + 9 + 5 + 5 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 1829556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1829551) 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 5 ways as a sum of consecutive naturals, for example, 25375 + ... + 25446.

2^1829556 is an apocalyptic number.

It is an amenable number.

1829556 is an abundant number, since it is smaller than the sum of its proper divisors (2795246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1829556 is a wasteful number, since it uses less digits than its factorization.

1829556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50831 (or 50826 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 1829556 is about 1352.6108087695. The cubic root of 1829556 is about 122.3062270365.

The spelling of 1829556 in words is "one million, eight hundred twenty-nine thousand, five hundred fifty-six".