993150940 has 24 divisors (see below), whose sum is σ = 2086438032. Its totient is φ = 397104000.

The previous prime is 993150901. The next prime is 993150967. The reversal of 993150940 is 49051399.

It is a junction number, because it is equal to n+sod(n) for n = 993150893 and 993150902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51747 + ... + 68293.

It is an arithmetic number, because the mean of its divisors is an integer number (86934918).

Almost surely, 2^993150940 is an apocalyptic number.

It is an amenable number.

993150940 is an abundant number, since it is smaller than the sum of its proper divisors (1093287092).

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

993150940 is a wasteful number, since it uses less digits than its factorization.

993150940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19557 (or 19555 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 993150940 is about 31514.2973902323. The cubic root of 993150940 is about 997.7117478961.

The spelling of 993150940 in words is "nine hundred ninety-three million, one hundred fifty thousand, nine hundred forty".