406414643 has 2 divisors, whose sum is σ = 406414644. Its totient is φ = 406414642.

The previous prime is 406414633. The next prime is 406414651. The reversal of 406414643 is 346414604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 406414643 - 2⁸ = 406414387 is a prime.

It is not a weakly prime, because it can be changed into another prime (406414633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203207321 + 203207322.

It is an arithmetic number, because the mean of its divisors is an integer number (203207322).

Almost surely, 2^406414643 is an apocalyptic number.

406414643 is a deficient number, since it is larger than the sum of its proper divisors (1).

406414643 is an equidigital number, since it uses as much as digits as its factorization.

406414643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 406414643 is about 20159.7282471763. The cubic root of 406414643 is about 740.7240557405.

The spelling of 406414643 in words is "four hundred six million, four hundred fourteen thousand, six hundred forty-three".