993906880 has 56 divisors (see below), whose sum is σ = 2411437392. Its totient is φ = 390054912.

The previous prime is 993906833. The next prime is 993906931. The reversal of 993906880 is 88609399.

993906880 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 2×993906880² = 1975701772222668800, which contains 22 as substring.

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, 12342 + ... + 46261.

It is an arithmetic number, because the mean of its divisors is an integer number (43061382).

Almost surely, 2^993906880 is an apocalyptic number.

It is an amenable number.

993906880 is an abundant number, since it is smaller than the sum of its proper divisors (1417530512).

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

993906880 is a wasteful number, since it uses less digits than its factorization.

993906880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58673 (or 58663 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 993906880 is about 31526.2887127553. The cubic root of 993906880 is about 997.9648208557.

The spelling of 993906880 in words is "nine hundred ninety-three million, nine hundred six thousand, eight hundred eighty".