663248339 has 8 divisors (see below), whose sum is σ = 714644112. Its totient is φ = 611906400.

The previous prime is 663248321. The next prime is 663248351. The reversal of 663248339 is 933842366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 663248339 - 2¹⁶ = 663182803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 663248339.

It is not an unprimeable number, because it can be changed into a prime (663248359) 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, 14264 + ... + 39114.

It is an arithmetic number, because the mean of its divisors is an integer number (89330514).

Almost surely, 2^663248339 is an apocalyptic number.

663248339 is a deficient number, since it is larger than the sum of its proper divisors (51395773).

663248339 is a wasteful number, since it uses less digits than its factorization.

663248339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26917.

The product of its digits is 559872, while the sum is 44.

The square root of 663248339 is about 25753.6082714636. The cubic root of 663248339 is about 872.0848133670.

The spelling of 663248339 in words is "six hundred sixty-three million, two hundred forty-eight thousand, three hundred thirty-nine".