9916042 has 4 divisors (see below), whose sum is σ = 14874066. Its totient is φ = 4958020.

The previous prime is 9916031. The next prime is 9916061. The reversal of 9916042 is 2406199.

It is a happy number.

9916042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5340721 + 4575321 = 2311^2 + 2139^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 9915995 and 9916013.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2479009 + ... + 2479012.

Almost surely, 2^9916042 is an apocalyptic number.

9916042 is a deficient number, since it is larger than the sum of its proper divisors (4958024).

9916042 is a wasteful number, since it uses less digits than its factorization.

9916042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4958023.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 9916042 is about 3148.9747537889. The cubic root of 9916042 is about 214.8388336078.

The spelling of 9916042 in words is "nine million, nine hundred sixteen thousand, forty-two".