408680411 has 2 divisors, whose sum is σ = 408680412. Its totient is φ = 408680410.

The previous prime is 408680387. The next prime is 408680423. The reversal of 408680411 is 114086804.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408680411 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (408680611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204340205 + 204340206.

It is an arithmetic number, because the mean of its divisors is an integer number (204340206).

Almost surely, 2^408680411 is an apocalyptic number.

408680411 is a deficient number, since it is larger than the sum of its proper divisors (1).

408680411 is an equidigital number, since it uses as much as digits as its factorization.

408680411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 408680411 is about 20215.8455425441. The cubic root of 408680411 is about 742.0980216718.

The spelling of 408680411 in words is "four hundred eight million, six hundred eighty thousand, four hundred eleven".