9774842 has 16 divisors (see below), whose sum is σ = 18280512. Its totient is φ = 3808320.

The previous prime is 9774841. The next prime is 9774857. The reversal of 9774842 is 2484779.

It is a super-2 number, since 2×9774842² = 191095072249928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9774842.

It is not an unprimeable number, because it can be changed into a prime (9774841) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31583 + ... + 31890.

It is an arithmetic number, because the mean of its divisors is an integer number (1142532).

Almost surely, 2^9774842 is an apocalyptic number.

9774842 is a deficient number, since it is larger than the sum of its proper divisors (8505670).

9774842 is a wasteful number, since it uses less digits than its factorization.

9774842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63493.

The product of its digits is 112896, while the sum is 41.

The square root of 9774842 is about 3126.4743721963. The cubic root of 9774842 is about 213.8142184756.

The spelling of 9774842 in words is "nine million, seven hundred seventy-four thousand, eight hundred forty-two".