406671413 has 2 divisors, whose sum is σ = 406671414. Its totient is φ = 406671412.

The previous prime is 406671407. The next prime is 406671427. The reversal of 406671413 is 314176604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 314069284 + 92602129 = 17722^2 + 9623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406671413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 406671413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406671493) 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, 203335706 + 203335707.

It is an arithmetic number, because the mean of its divisors is an integer number (203335707).

Almost surely, 2^406671413 is an apocalyptic number.

It is an amenable number.

406671413 is a deficient number, since it is larger than the sum of its proper divisors (1).

406671413 is an equidigital number, since it uses as much as digits as its factorization.

406671413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 406671413 is about 20166.0956310338. The cubic root of 406671413 is about 740.8800177023.

The spelling of 406671413 in words is "four hundred six million, six hundred seventy-one thousand, four hundred thirteen".