9875842 has 4 divisors (see below), whose sum is σ = 14813766. Its totient is φ = 4937920.

The previous prime is 9875821. The next prime is 9875893. The reversal of 9875842 is 2485789.

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

It can be written as a sum of positive squares in only one way, i.e., 7123561 + 2752281 = 2669^2 + 1659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2468959 + ... + 2468962.

Almost surely, 2^9875842 is an apocalyptic number.

9875842 is a deficient number, since it is larger than the sum of its proper divisors (4937924).

9875842 is a wasteful number, since it uses less digits than its factorization.

9875842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937923.

The product of its digits is 161280, while the sum is 43.

The square root of 9875842 is about 3142.5852414851. The cubic root of 9875842 is about 214.5481188787.

The spelling of 9875842 in words is "nine million, eight hundred seventy-five thousand, eight hundred forty-two".