663859352 has 32 divisors (see below), whose sum is σ = 1343848800. Its totient is φ = 305627904.

The previous prime is 663859337. The next prime is 663859363. The reversal of 663859352 is 253958366.

It is a junction number, because it is equal to n+sod(n) for n = 663859297 and 663859306.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34733 + ... + 50339.

It is an arithmetic number, because the mean of its divisors is an integer number (41995275).

Almost surely, 2^663859352 is an apocalyptic number.

It is an amenable number.

663859352 is an abundant number, since it is smaller than the sum of its proper divisors (679989448).

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

663859352 is a wasteful number, since it uses less digits than its factorization.

663859352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16035 (or 16031 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 47.

The square root of 663859352 is about 25765.4682084374. The cubic root of 663859352 is about 872.3525318975.

The spelling of 663859352 in words is "six hundred sixty-three million, eight hundred fifty-nine thousand, three hundred fifty-two".