18348348 has 12 divisors (see below), whose sum is σ = 42812840. Its totient is φ = 6116112.

The previous prime is 18348347. The next prime is 18348371. The reversal of 18348348 is 84384381.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18348347) 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, 764503 + ... + 764526.

Almost surely, 2^18348348 is an apocalyptic number.

It is an amenable number.

18348348 is an abundant number, since it is smaller than the sum of its proper divisors (24464492).

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

18348348 is a wasteful number, since it uses less digits than its factorization.

18348348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529036 (or 1529034 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 18348348 is about 4283.4971693699. The cubic root of 18348348 is about 263.7539603937.

The spelling of 18348348 in words is "eighteen million, three hundred forty-eight thousand, three hundred forty-eight".