406736929 has 2 divisors, whose sum is σ = 406736930. Its totient is φ = 406736928.

The previous prime is 406736887. The next prime is 406736963. The reversal of 406736929 is 929637604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 362978704 + 43758225 = 19052^2 + 6615^2 .

It is a cyclic number.

It is not a de Polignac number, because 406736929 - 2²¹ = 404639777 is a prime.

It is not a weakly prime, because it can be changed into another prime (406736989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203368464 + 203368465.

It is an arithmetic number, because the mean of its divisors is an integer number (203368465).

Almost surely, 2^406736929 is an apocalyptic number.

It is an amenable number.

406736929 is a deficient number, since it is larger than the sum of its proper divisors (1).

406736929 is an equidigital number, since it uses as much as digits as its factorization.

406736929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 46.

The square root of 406736929 is about 20167.7199752476. The cubic root of 406736929 is about 740.9198015731.

The spelling of 406736929 in words is "four hundred six million, seven hundred thirty-six thousand, nine hundred twenty-nine".