663230424 has 32 divisors (see below), whose sum is σ = 1678057920. Its totient is φ = 218412576.

The previous prime is 663230413. The next prime is 663230431. The reversal of 663230424 is 424032366.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 663230391 and 663230400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164482 + ... + 168465.

It is an arithmetic number, because the mean of its divisors is an integer number (52439310).

Almost surely, 2^663230424 is an apocalyptic number.

It is an amenable number.

663230424 is an abundant number, since it is smaller than the sum of its proper divisors (1014827496).

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

663230424 is a wasteful number, since it uses less digits than its factorization.

663230424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333039 (or 333035 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 663230424 is about 25753.2604537756. The cubic root of 663230424 is about 872.0769613357.

The spelling of 663230424 in words is "six hundred sixty-three million, two hundred thirty thousand, four hundred twenty-four".