662246393 has 2 divisors, whose sum is σ = 662246394. Its totient is φ = 662246392.

The previous prime is 662246363. The next prime is 662246399. The reversal of 662246393 is 393642266.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 558471424 + 103774969 = 23632^2 + 10187^2 .

It is a cyclic number.

It is not a de Polignac number, because 662246393 - 2²² = 658052089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 662246393.

It is not a weakly prime, because it can be changed into another prime (662246399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331123196 + 331123197.

It is an arithmetic number, because the mean of its divisors is an integer number (331123197).

Almost surely, 2^662246393 is an apocalyptic number.

It is an amenable number.

662246393 is a deficient number, since it is larger than the sum of its proper divisors (1).

662246393 is an equidigital number, since it uses as much as digits as its factorization.

662246393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 41.

The square root of 662246393 is about 25734.1483830338. The cubic root of 662246393 is about 871.6454494033.

The spelling of 662246393 in words is "six hundred sixty-two million, two hundred forty-six thousand, three hundred ninety-three".