1829906 has 8 divisors (see below), whose sum is σ = 2956044. Its totient is φ = 844560.

The previous prime is 1829879. The next prime is 1829911. The reversal of 1829906 is 6099281.

1829906 = 21² + 22² + ... + 176².

It can be written as a sum of positive squares in 2 ways, for example, as 1677025 + 152881 = 1295^2 + 391^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35165 + ... + 35216.

2^1829906 is an apocalyptic number.

1829906 is a deficient number, since it is larger than the sum of its proper divisors (1126138).

1829906 is a wasteful number, since it uses less digits than its factorization.

1829906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70396.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1829906 is about 1352.7401820010. The cubic root of 1829906 is about 122.3140257319.

The spelling of 1829906 in words is "one million, eight hundred twenty-nine thousand, nine hundred six".