18115348 has 12 divisors (see below), whose sum is σ = 32558932. Its totient is φ = 8812800.

The previous prime is 18115313. The next prime is 18115367. The reversal of 18115348 is 84351181.

It can be written as a sum of positive squares in 2 ways, for example, as 8305924 + 9809424 = 2882^2 + 3132^2 .

It is a super-2 number, since 2×18115348² = 656331666322208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61053 + ... + 61348.

Almost surely, 2^18115348 is an apocalyptic number.

It is an amenable number.

18115348 is a deficient number, since it is larger than the sum of its proper divisors (14443584).

18115348 is a wasteful number, since it uses less digits than its factorization.

18115348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122442 (or 122440 counting only the distinct ones).

The product of its digits is 3840, while the sum is 31.

The square root of 18115348 is about 4256.2128706163. The cubic root of 18115348 is about 262.6327576395.

The spelling of 18115348 in words is "eighteen million, one hundred fifteen thousand, three hundred forty-eight".