9042689 has 12 divisors (see below), whose sum is σ = 9816084. Its totient is φ = 8322912.

The previous prime is 9042647. The next prime is 9042707. The reversal of 9042689 is 9862409.

It can be written as a sum of positive squares in 2 ways, for example, as 8673025 + 369664 = 2945^2 + 608^2 .

It is not a de Polignac number, because 9042689 - 2⁸ = 9042433 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9042619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13019 + ... + 13695.

It is an arithmetic number, because the mean of its divisors is an integer number (818007).

Almost surely, 2^9042689 is an apocalyptic number.

It is an amenable number.

9042689 is a deficient number, since it is larger than the sum of its proper divisors (773395).

9042689 is a wasteful number, since it uses less digits than its factorization.

9042689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752 (or 733 counting only the distinct ones).

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

The square root of 9042689 is about 3007.1064164741. The cubic root of 9042689 is about 208.3367403532.

The spelling of 9042689 in words is "nine million, forty-two thousand, six hundred eighty-nine".