8909042 has 4 divisors (see below), whose sum is σ = 13363566. Its totient is φ = 4454520.

The previous prime is 8909039. The next prime is 8909051. The reversal of 8909042 is 2409098.

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., 5340721 + 3568321 = 2311^2 + 1889^2 .

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, 2227259 + ... + 2227262.

Almost surely, 2^8909042 is an apocalyptic number.

8909042 is a deficient number, since it is larger than the sum of its proper divisors (4454524).

8909042 is a wasteful number, since it uses less digits than its factorization.

8909042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454523.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 8909042 is about 2984.8018359683. The cubic root of 8909042 is about 207.3052665718.

The spelling of 8909042 in words is "eight million, nine hundred nine thousand, forty-two".