18348798 has 16 divisors (see below), whose sum is σ = 39520656. Its totient is φ = 5645760.

The previous prime is 18348773. The next prime is 18348817. The reversal of 18348798 is 89784381.

It is a congruent number.

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, 117543 + ... + 117698.

It is an arithmetic number, because the mean of its divisors is an integer number (2470041).

Almost surely, 2^18348798 is an apocalyptic number.

18348798 is an abundant number, since it is smaller than the sum of its proper divisors (21171858).

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

18348798 is a wasteful number, since it uses less digits than its factorization.

18348798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235259.

The product of its digits is 387072, while the sum is 48.

The square root of 18348798 is about 4283.5496962216. The cubic root of 18348798 is about 263.7561165971.

The spelling of 18348798 in words is "eighteen million, three hundred forty-eight thousand, seven hundred ninety-eight".