404827 has 2 divisors, whose sum is σ = 404828. Its totient is φ = 404826.

The previous prime is 404819. The next prime is 404837. The reversal of 404827 is 728404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404827 - 2³ = 404819 is a prime.

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is not a weakly prime, because it can be changed into another prime (404837) 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 as a sum of consecutive naturals, namely, 202413 + 202414.

It is an arithmetic number, because the mean of its divisors is an integer number (202414).

2⁴⁰⁴⁸²⁷ is an apocalyptic number.

404827 is a deficient number, since it is larger than the sum of its proper divisors (1).

404827 is an equidigital number, since it uses as much as digits as its factorization.

404827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 404827 is about 636.2601669129. The cubic root of 404827 is about 73.9758260459.

The spelling of 404827 in words is "four hundred four thousand, eight hundred twenty-seven".