9915042 has 16 divisors (see below), whose sum is σ = 20514240. Its totient is φ = 3190992.

The previous prime is 9915041. The next prime is 9915043. The reversal of 9915042 is 2405199.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9915041) and next prime (9915043).

It is not an unprimeable number, because it can be changed into a prime (9915041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28318 + ... + 28665.

It is an arithmetic number, because the mean of its divisors is an integer number (1282140).

Almost surely, 2^9915042 is an apocalyptic number.

9915042 is an abundant number, since it is smaller than the sum of its proper divisors (10599198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9915042 is a wasteful number, since it uses less digits than its factorization.

9915042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57017.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 9915042 is about 3148.8159679473. The cubic root of 9915042 is about 214.8316114367.

The spelling of 9915042 in words is "nine million, nine hundred fifteen thousand, forty-two".