993053648 has 20 divisors (see below), whose sum is σ = 1955585028. Its totient is φ = 488386560.

The previous prime is 993053609. The next prime is 993053687. The reversal of 993053648 is 846350399.

993053648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (993053609) and next prime (993053687).

It can be written as a sum of positive squares in 2 ways, for example, as 98565184 + 894488464 = 9928^2 + 29908^2 .

It is a super-2 number, since 2×993053648² = 1972311095612215808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 507761 + ... + 509712.

Almost surely, 2^993053648 is an apocalyptic number.

It is an amenable number.

993053648 is a deficient number, since it is larger than the sum of its proper divisors (962531380).

993053648 is a wasteful number, since it uses less digits than its factorization.

993053648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017542 (or 1017536 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 993053648 is about 31512.7537355909. The cubic root of 993053648 is about 997.6791672355.

The spelling of 993053648 in words is "nine hundred ninety-three million, fifty-three thousand, six hundred forty-eight".