663792 has 20 divisors (see below), whose sum is σ = 1714920. Its totient is φ = 221248.

The previous prime is 663787. The next prime is 663797. The reversal of 663792 is 297366.

It is an interprime number because it is at equal distance from previous prime (663787) and next prime (663797).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6867 + ... + 6962.

It is an arithmetic number, because the mean of its divisors is an integer number (85746).

2⁶⁶³⁷⁹² is an apocalyptic number.

It is an amenable number.

663792 is an abundant number, since it is smaller than the sum of its proper divisors (1051128).

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

663792 is a wasteful number, since it uses less digits than its factorization.

663792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13840 (or 13834 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 663792 is about 814.7343125216. The cubic root of 663792 is about 87.2323029326.

The spelling of 663792 in words is "six hundred sixty-three thousand, seven hundred ninety-two".