408826147 has 2 divisors, whose sum is σ = 408826148. Its totient is φ = 408826146.

The previous prime is 408826111. The next prime is 408826157. The reversal of 408826147 is 741628804.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408826147 is a prime.

It is not a weakly prime, because it can be changed into another prime (408826157) 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 as a sum of consecutive naturals, namely, 204413073 + 204413074.

It is an arithmetic number, because the mean of its divisors is an integer number (204413074).

Almost surely, 2^408826147 is an apocalyptic number.

408826147 is a deficient number, since it is larger than the sum of its proper divisors (1).

408826147 is an equidigital number, since it uses as much as digits as its factorization.

408826147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86016, while the sum is 40.

The square root of 408826147 is about 20219.4497205043. The cubic root of 408826147 is about 742.1862222489.

The spelling of 408826147 in words is "four hundred eight million, eight hundred twenty-six thousand, one hundred forty-seven".