408748943 has 2 divisors, whose sum is σ = 408748944. Its totient is φ = 408748942.

The previous prime is 408748933. The next prime is 408748999. The reversal of 408748943 is 349847804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408748943 - 2⁸ = 408748687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408748903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204374471 + 204374472.

It is an arithmetic number, because the mean of its divisors is an integer number (204374472).

Almost surely, 2^408748943 is an apocalyptic number.

408748943 is a deficient number, since it is larger than the sum of its proper divisors (1).

408748943 is an equidigital number, since it uses as much as digits as its factorization.

408748943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 408748943 is about 20217.5404785053. The cubic root of 408748943 is about 742.1395003902.

The spelling of 408748943 in words is "four hundred eight million, seven hundred forty-eight thousand, nine hundred forty-three".