9869042 has 4 divisors (see below), whose sum is σ = 14803566. Its totient is φ = 4934520.

The previous prime is 9869039. The next prime is 9869053. The reversal of 9869042 is 2409689.

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., 9006001 + 863041 = 3001^2 + 929^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9868987 and 9869005.

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 as a sum of consecutive naturals, namely, 2467259 + ... + 2467262.

Almost surely, 2^9869042 is an apocalyptic number.

9869042 is a deficient number, since it is larger than the sum of its proper divisors (4934524).

9869042 is a wasteful number, since it uses less digits than its factorization.

9869042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934523.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 9869042 is about 3141.5031434013. The cubic root of 9869042 is about 214.4988652831.

The spelling of 9869042 in words is "nine million, eight hundred sixty-nine thousand, forty-two".