408270979 has 2 divisors, whose sum is σ = 408270980. Its totient is φ = 408270978.

The previous prime is 408270949. The next prime is 408270983. The reversal of 408270979 is 979072804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408270979 - 2⁷ = 408270851 is a prime.

It is not a weakly prime, because it can be changed into another prime (408270949) 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, 204135489 + 204135490.

It is an arithmetic number, because the mean of its divisors is an integer number (204135490).

Almost surely, 2^408270979 is an apocalyptic number.

408270979 is a deficient number, since it is larger than the sum of its proper divisors (1).

408270979 is an equidigital number, since it uses as much as digits as its factorization.

408270979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 408270979 is about 20205.7164931115. The cubic root of 408270979 is about 741.8501179379.

The spelling of 408270979 in words is "four hundred eight million, two hundred seventy thousand, nine hundred seventy-nine".