408470243 has 2 divisors, whose sum is σ = 408470244. Its totient is φ = 408470242.

The previous prime is 408470147. The next prime is 408470261. The reversal of 408470243 is 342074804.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 408470243 - 2¹² = 408466147 is a prime.

It is not a weakly prime, because it can be changed into another prime (408470263) 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, 204235121 + 204235122.

It is an arithmetic number, because the mean of its divisors is an integer number (204235122).

Almost surely, 2^408470243 is an apocalyptic number.

408470243 is a deficient number, since it is larger than the sum of its proper divisors (1).

408470243 is an equidigital number, since it uses as much as digits as its factorization.

408470243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 408470243 is about 20210.6467734212. The cubic root of 408470243 is about 741.9707894091.

The spelling of 408470243 in words is "four hundred eight million, four hundred seventy thousand, two hundred forty-three".