418026997 has 2 divisors, whose sum is σ = 418026998. Its totient is φ = 418026996.

The previous prime is 418026989. The next prime is 418027007. The reversal of 418026997 is 799620814.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 331276401 + 86750596 = 18201^2 + 9314^2 .

It is a cyclic number.

It is not a de Polignac number, because 418026997 - 2³ = 418026989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (418026797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209013498 + 209013499.

It is an arithmetic number, because the mean of its divisors is an integer number (209013499).

Almost surely, 2^418026997 is an apocalyptic number.

It is an amenable number.

418026997 is a deficient number, since it is larger than the sum of its proper divisors (1).

418026997 is an equidigital number, since it uses as much as digits as its factorization.

418026997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 418026997 is about 20445.7085228172. The cubic root of 418026997 is about 747.7127335666.

The spelling of 418026997 in words is "four hundred eighteen million, twenty-six thousand, nine hundred ninety-seven".