9942069 has 8 divisors (see below), whose sum is σ = 13273632. Its totient is φ = 6619280.

The previous prime is 9942067. The next prime is 9942077. The reversal of 9942069 is 9602499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9942069 - 2¹ = 9942067 is a prime.

It is a super-2 number, since 2×9942069² = 197689472001522, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1207 + ... + 4619.

It is an arithmetic number, because the mean of its divisors is an integer number (1659204).

Almost surely, 2^9942069 is an apocalyptic number.

It is an amenable number.

9942069 is a deficient number, since it is larger than the sum of its proper divisors (3331563).

9942069 is a wasteful number, since it uses less digits than its factorization.

9942069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4387.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 9942069 is about 3153.1046604894. The cubic root of 9942069 is about 215.0266345226.

The spelling of 9942069 in words is "nine million, nine hundred forty-two thousand, sixty-nine".