9004642 has 4 divisors (see below), whose sum is σ = 13506966. Its totient is φ = 4502320.

The previous prime is 9004627. The next prime is 9004643. The reversal of 9004642 is 2464009.

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., 4879681 + 4124961 = 2209^2 + 2031^2 .

It is not an unprimeable number, because it can be changed into a prime (9004643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2251159 + ... + 2251162.

Almost surely, 2^9004642 is an apocalyptic number.

9004642 is a deficient number, since it is larger than the sum of its proper divisors (4502324).

9004642 is a wasteful number, since it uses less digits than its factorization.

9004642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4502323.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 9004642 is about 3000.7735669324. The cubic root of 9004642 is about 208.0441381923.

The spelling of 9004642 in words is "nine million, four thousand, six hundred forty-two".