18298542 has 32 divisors (see below), whose sum is σ = 37379232. Its totient is φ = 5970944.

The previous prime is 18298531. The next prime is 18298549. The reversal of 18298542 is 24589281.

It is a self number, because there is not a number n which added to its sum of digits gives 18298542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18298549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92788 + ... + 92984.

It is an arithmetic number, because the mean of its divisors is an integer number (1168101).

Almost surely, 2^18298542 is an apocalyptic number.

18298542 is an abundant number, since it is smaller than the sum of its proper divisors (19080690).

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

18298542 is a wasteful number, since it uses less digits than its factorization.

18298542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452.

The product of its digits is 46080, while the sum is 39.

The square root of 18298542 is about 4277.6795111368. The cubic root of 18298542 is about 263.5150935860.

The spelling of 18298542 in words is "eighteen million, two hundred ninety-eight thousand, five hundred forty-two".