9942061 has 4 divisors (see below), whose sum is σ = 9977724. Its totient is φ = 9906400.

The previous prime is 9942047. The next prime is 9942067. The reversal of 9942061 is 1602499.

It is a happy number.

9942061 is digitally balanced in base 3, 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 2 ways, for example, as 7784100 + 2157961 = 2790^2 + 1469^2 .

It is a cyclic number.

It is not a de Polignac number, because 9942061 - 2⁵ = 9942029 is a prime.

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 Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17410 + ... + 17971.

It is an arithmetic number, because the mean of its divisors is an integer number (2494431).

Almost surely, 2^9942061 is an apocalyptic number.

It is an amenable number.

9942061 is a deficient number, since it is larger than the sum of its proper divisors (35663).

9942061 is a wasteful number, since it uses less digits than its factorization.

9942061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35662.

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

The square root of 9942061 is about 3153.1033918982. The cubic root of 9942061 is about 215.0265768480.

The spelling of 9942061 in words is "nine million, nine hundred forty-two thousand, sixty-one".