659497420 has 24 divisors (see below), whose sum is σ = 1414413504. Its totient is φ = 258185856.

The previous prime is 659497417. The next prime is 659497427. The reversal of 659497420 is 24794956.

659497420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (659497427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349857 + ... + 351736.

It is an arithmetic number, because the mean of its divisors is an integer number (58933896).

Almost surely, 2^659497420 is an apocalyptic number.

It is an amenable number.

659497420 is an abundant number, since it is smaller than the sum of its proper divisors (754916084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

659497420 is a wasteful number, since it uses less digits than its factorization.

659497420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701649 (or 701647 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 659497420 is about 25680.6818445305. The cubic root of 659497420 is about 870.4377151778.

The spelling of 659497420 in words is "six hundred fifty-nine million, four hundred ninety-seven thousand, four hundred twenty".