9942055 has 4 divisors (see below), whose sum is σ = 11930472. Its totient is φ = 7953640.

The previous prime is 9942047. The next prime is 9942067. The reversal of 9942055 is 5502499.

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

It is not a de Polignac number, because 9942055 - 2³ = 9942047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9942055.

It is a congruent number.

It is an unprimeable number.

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, 994201 + ... + 994210.

It is an arithmetic number, because the mean of its divisors is an integer number (2982618).

Almost surely, 2^9942055 is an apocalyptic number.

9942055 is a deficient number, since it is larger than the sum of its proper divisors (1988417).

9942055 is a wasteful number, since it uses less digits than its factorization.

9942055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988416.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 9942055 is about 3153.1024404545. The cubic root of 9942055 is about 215.0265335921.

The spelling of 9942055 in words is "nine million, nine hundred forty-two thousand, fifty-five".