996921860 has 24 divisors (see below), whose sum is σ = 2283857856. Its totient is φ = 362516960.

The previous prime is 996921853. The next prime is 996921869. The reversal of 996921860 is 68129699.

996921860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 996921799 and 996921808.

It is not an unprimeable number, because it can be changed into a prime (996921869) 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, 2265512 + ... + 2265951.

It is an arithmetic number, because the mean of its divisors is an integer number (95160744).

Almost surely, 2^996921860 is an apocalyptic number.

It is an amenable number.

996921860 is an abundant number, since it is smaller than the sum of its proper divisors (1286935996).

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

996921860 is a wasteful number, since it uses less digits than its factorization.

996921860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4531483 (or 4531481 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 996921860 is about 31574.0694241335. The cubic root of 996921860 is about 998.9728987575.

The spelling of 996921860 in words is "nine hundred ninety-six million, nine hundred twenty-one thousand, eight hundred sixty".