9939874 has 8 divisors (see below), whose sum is σ = 17039808. Its totient is φ = 4259940.

The previous prime is 9939857. The next prime is 9939893. The reversal of 9939874 is 4789399.

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

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, 354982 + ... + 355009.

It is an arithmetic number, because the mean of its divisors is an integer number (2129976).

Almost surely, 2^9939874 is an apocalyptic number.

9939874 is a deficient number, since it is larger than the sum of its proper divisors (7099934).

9939874 is a wasteful number, since it uses less digits than its factorization.

9939874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710000.

The product of its digits is 489888, while the sum is 49.

The square root of 9939874 is about 3152.7565716370. The cubic root of 9939874 is about 215.0108089031.

The spelling of 9939874 in words is "nine million, nine hundred thirty-nine thousand, eight hundred seventy-four".