406614667 has 2 divisors, whose sum is σ = 406614668. Its totient is φ = 406614666.

The previous prime is 406614647. The next prime is 406614679. The reversal of 406614667 is 766416604.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406614667 is a prime.

It is not a weakly prime, because it can be changed into another prime (406614617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203307333 + 203307334.

It is an arithmetic number, because the mean of its divisors is an integer number (203307334).

Almost surely, 2^406614667 is an apocalyptic number.

406614667 is a deficient number, since it is larger than the sum of its proper divisors (1).

406614667 is an equidigital number, since it uses as much as digits as its factorization.

406614667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 406614667 is about 20164.6886164900. The cubic root of 406614667 is about 740.8455558642.

The spelling of 406614667 in words is "four hundred six million, six hundred fourteen thousand, six hundred sixty-seven".