406860697 has 2 divisors, whose sum is σ = 406860698. Its totient is φ = 406860696.

The previous prime is 406860689. The next prime is 406860733. The reversal of 406860697 is 796068604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 358572096 + 48288601 = 18936^2 + 6949^2 .

It is a cyclic number.

It is not a de Polignac number, because 406860697 - 2³ = 406860689 is a prime.

It is not a weakly prime, because it can be changed into another prime (406860607) 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, 203430348 + 203430349.

It is an arithmetic number, because the mean of its divisors is an integer number (203430349).

Almost surely, 2^406860697 is an apocalyptic number.

It is an amenable number.

406860697 is a deficient number, since it is larger than the sum of its proper divisors (1).

406860697 is an equidigital number, since it uses as much as digits as its factorization.

406860697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 406860697 is about 20170.7882096858. The cubic root of 406860697 is about 740.9949466735.

The spelling of 406860697 in words is "four hundred six million, eight hundred sixty thousand, six hundred ninety-seven".