659794842 has 32 divisors (see below), whose sum is σ = 1675670400. Its totient is φ = 188512704.

The previous prime is 659794819. The next prime is 659794843. The reversal of 659794842 is 248497956.

659794842 is a `hidden beast` number, since 6 + 597 + 9 + 4 + 8 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (659794843) 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 in 15 ways as a sum of consecutive naturals, for example, 872367 + ... + 873122.

It is an arithmetic number, because the mean of its divisors is an integer number (52364700).

Almost surely, 2^659794842 is an apocalyptic number.

659794842 is an abundant number, since it is smaller than the sum of its proper divisors (1015875558).

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

659794842 is a wasteful number, since it uses less digits than its factorization.

659794842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745507 (or 1745501 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 659794842 is about 25686.4719648300. The cubic root of 659794842 is about 870.5685463280.

The spelling of 659794842 in words is "six hundred fifty-nine million, seven hundred ninety-four thousand, eight hundred forty-two".