18347342 has 16 divisors (see below), whose sum is σ = 29816640. Its totient is φ = 8416992.

The previous prime is 18347297. The next prime is 18347383. The reversal of 18347342 is 24374381.

It is a junction number, because it is equal to n+sod(n) for n = 18347299 and 18347308.

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, 2459 + ... + 6537.

It is an arithmetic number, because the mean of its divisors is an integer number (1863540).

Almost surely, 2^18347342 is an apocalyptic number.

18347342 is a deficient number, since it is larger than the sum of its proper divisors (11469298).

18347342 is a wasteful number, since it uses less digits than its factorization.

18347342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267.

The product of its digits is 16128, while the sum is 32.

The square root of 18347342 is about 4283.3797403452. The cubic root of 18347342 is about 263.7491399536.

The spelling of 18347342 in words is "eighteen million, three hundred forty-seven thousand, three hundred forty-two".