9875442 has 8 divisors (see below), whose sum is σ = 19750896. Its totient is φ = 3291812.

The previous prime is 9875429. The next prime is 9875443. The reversal of 9875442 is 2445789.

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

9875442 is an admirable number.

It is an Ulam number.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9875442.

It is not an unprimeable number, because it can be changed into a prime (9875443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822948 + ... + 822959.

It is an arithmetic number, because the mean of its divisors is an integer number (2468862).

Almost surely, 2^9875442 is an apocalyptic number.

9875442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9875442 is a wasteful number, since it uses less digits than its factorization.

9875442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645912.

The product of its digits is 80640, while the sum is 39.

The square root of 9875442 is about 3142.5215989711. The cubic root of 9875442 is about 214.5452222343.

The spelling of 9875442 in words is "nine million, eight hundred seventy-five thousand, four hundred forty-two".