9018642 has 16 divisors (see below), whose sum is σ = 18421632. Its totient is φ = 2942160.

The previous prime is 9018629. The next prime is 9018661. The reversal of 9018642 is 2468109.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15709 + ... + 16272.

It is an arithmetic number, because the mean of its divisors is an integer number (1151352).

Almost surely, 2^9018642 is an apocalyptic number.

9018642 is an abundant number, since it is smaller than the sum of its proper divisors (9402990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9018642 is a wasteful number, since it uses less digits than its factorization.

9018642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32033.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 9018642 is about 3003.1053927560. The cubic root of 9018642 is about 208.1519014907.

The spelling of 9018642 in words is "nine million, eighteen thousand, six hundred forty-two".