1840826 has 16 divisors (see below), whose sum is σ = 3007368. Its totient is φ = 840000.

The previous prime is 1840789. The next prime is 1840829. The reversal of 1840826 is 6280481.

It can be written as a sum of positive squares in 4 ways, for example, as 1825201 + 15625 = 1351^2 + 125^2 .

It is not an unprimeable number, because it can be changed into a prime (1840829) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2276 + ... + 2976.

2^1840826 is an apocalyptic number.

1840826 is a deficient number, since it is larger than the sum of its proper divisors (1166542).

1840826 is a wasteful number, since it uses less digits than its factorization.

1840826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1840826 is about 1356.7704301023. The cubic root of 1840826 is about 122.5568471405.

The spelling of 1840826 in words is "one million, eight hundred forty thousand, eight hundred twenty-six".