659883397 has 4 divisors (see below), whose sum is σ = 675978156. Its totient is φ = 643788640.

The previous prime is 659883383. The next prime is 659883401. The reversal of 659883397 is 793388956.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56640676 + 603242721 = 7526^2 + 24561^2 .

It is a cyclic number.

It is not a de Polignac number, because 659883397 - 2¹¹ = 659881349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659883347) 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 in 3 ways as a sum of consecutive naturals, for example, 8047318 + ... + 8047399.

It is an arithmetic number, because the mean of its divisors is an integer number (168994539).

Almost surely, 2^659883397 is an apocalyptic number.

It is an amenable number.

659883397 is a deficient number, since it is larger than the sum of its proper divisors (16094759).

659883397 is a wasteful number, since it uses less digits than its factorization.

659883397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16094758.

The product of its digits is 9797760, while the sum is 58.

The square root of 659883397 is about 25688.1956742781. The cubic root of 659883397 is about 870.6074926509.

The spelling of 659883397 in words is "six hundred fifty-nine million, eight hundred eighty-three thousand, three hundred ninety-seven".