9879774 has 8 divisors (see below), whose sum is σ = 19759560. Its totient is φ = 3293256.

The previous prime is 9879773. The next prime is 9879781. The reversal of 9879774 is 4779789.

9879774 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

9879774 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9879773) 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, 823309 + ... + 823320.

It is an arithmetic number, because the mean of its divisors is an integer number (2469945).

Almost surely, 2^9879774 is an apocalyptic number.

9879774 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.

9879774 is a wasteful number, since it uses less digits than its factorization.

9879774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646634.

The product of its digits is 889056, while the sum is 51.

The square root of 9879774 is about 3143.2107788056. The cubic root of 9879774 is about 214.5765887303.

The spelling of 9879774 in words is "nine million, eight hundred seventy-nine thousand, seven hundred seventy-four".