993232646 has 16 divisors (see below), whose sum is σ = 1737434400. Its totient is φ = 425670840.

The previous prime is 993232573. The next prime is 993232649. The reversal of 993232646 is 646232399.

993232646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×993232646² = 1973022178160322632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 993232597 and 993232606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993232649) 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, 723245 + ... + 724616.

It is an arithmetic number, because the mean of its divisors is an integer number (108589650).

Almost surely, 2^993232646 is an apocalyptic number.

993232646 is a deficient number, since it is larger than the sum of its proper divisors (744201754).

993232646 is a wasteful number, since it uses less digits than its factorization.

993232646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447884 (or 1447870 counting only the distinct ones).

The product of its digits is 419904, while the sum is 44.

The square root of 993232646 is about 31515.5936958199. The cubic root of 993232646 is about 997.7391075510.

The spelling of 993232646 in words is "nine hundred ninety-three million, two hundred thirty-two thousand, six hundred forty-six".