9827942 has 4 divisors (see below), whose sum is σ = 14741916. Its totient is φ = 4913970.

The previous prime is 9827929. The next prime is 9827953. The reversal of 9827942 is 2497289.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9827942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2456984 + ... + 2456987.

It is an arithmetic number, because the mean of its divisors is an integer number (3685479).

Almost surely, 2^9827942 is an apocalyptic number.

9827942 is a deficient number, since it is larger than the sum of its proper divisors (4913974).

9827942 is a wasteful number, since it uses less digits than its factorization.

9827942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913973.

The product of its digits is 72576, while the sum is 41.

The square root of 9827942 is about 3134.9548641089. The cubic root of 9827942 is about 214.2006880871.

The spelling of 9827942 in words is "nine million, eight hundred twenty-seven thousand, nine hundred forty-two".