18298412 has 12 divisors (see below), whose sum is σ = 34933416. Its totient is φ = 8317440.

The previous prime is 18298411. The next prime is 18298417. The reversal of 18298412 is 21489281.

It is not an unprimeable number, because it can be changed into a prime (18298411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207893 + ... + 207980.

It is an arithmetic number, because the mean of its divisors is an integer number (2911118).

Almost surely, 2^18298412 is an apocalyptic number.

It is an amenable number.

18298412 is a deficient number, since it is larger than the sum of its proper divisors (16635004).

18298412 is a wasteful number, since it uses less digits than its factorization.

18298412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415888 (or 415886 counting only the distinct ones).

The product of its digits is 9216, while the sum is 35.

The square root of 18298412 is about 4277.6643159556. The cubic root of 18298412 is about 263.5144695464.

The spelling of 18298412 in words is "eighteen million, two hundred ninety-eight thousand, four hundred twelve".