9930042 has 24 divisors (see below), whose sum is σ = 21592116. Its totient is φ = 3298176.

The previous prime is 9930031. The next prime is 9930049. The reversal of 9930042 is 2400399.

9930042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8242641 + 1687401 = 2871^2 + 1299^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9929988 and 9930015.

It is not an unprimeable number, because it can be changed into a prime (9930049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5248 + ... + 6884.

Almost surely, 2^9930042 is an apocalyptic number.

9930042 is an abundant number, since it is smaller than the sum of its proper divisors (11662074).

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

9930042 is a wasteful number, since it uses less digits than its factorization.

9930042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 9930042 is about 3151.1969154593. The cubic root of 9930042 is about 214.9398930588.

The spelling of 9930042 in words is "nine million, nine hundred thirty thousand, forty-two".