9942885 has 16 divisors (see below), whose sum is σ = 17676480. Its totient is φ = 5302800.

The previous prime is 9942883. The next prime is 9942893. The reversal of 9942885 is 5882499.

It is not a de Polignac number, because 9942885 - 2¹ = 9942883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

9942885 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9942885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36691 + ... + 36960.

It is an arithmetic number, because the mean of its divisors is an integer number (1104780).

Almost surely, 2^9942885 is an apocalyptic number.

It is an amenable number.

9942885 is a deficient number, since it is larger than the sum of its proper divisors (7733595).

9942885 is a wasteful number, since it uses less digits than its factorization.

9942885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73665 (or 73659 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 9942885 is about 3153.2340541102. The cubic root of 9942885 is about 215.0325171658.

The spelling of 9942885 in words is "nine million, nine hundred forty-two thousand, eight hundred eighty-five".