18430348 has 6 divisors (see below), whose sum is σ = 32253116. Its totient is φ = 9215172.

The previous prime is 18430339. The next prime is 18430351. The reversal of 18430348 is 84303481.

It is a super-2 number, since 2×18430348² = 679355454802208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2303790 + ... + 2303797.

Almost surely, 2^18430348 is an apocalyptic number.

It is an amenable number.

18430348 is a deficient number, since it is larger than the sum of its proper divisors (13822768).

18430348 is a wasteful number, since it uses less digits than its factorization.

18430348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4607591 (or 4607589 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 18430348 is about 4293.0581174729. The cubic root of 18430348 is about 264.1462879168.

The spelling of 18430348 in words is "eighteen million, four hundred thirty thousand, three hundred forty-eight".