18069346 has 8 divisors (see below), whose sum is σ = 27131904. Its totient is φ = 9025380.

The previous prime is 18069319. The next prime is 18069347. The reversal of 18069346 is 64396081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18069347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1890 + ... + 6301.

It is an arithmetic number, because the mean of its divisors is an integer number (3391488).

Almost surely, 2^18069346 is an apocalyptic number.

18069346 is a deficient number, since it is larger than the sum of its proper divisors (9062558).

18069346 is a wasteful number, since it uses less digits than its factorization.

18069346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9296.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 18069346 is about 4250.8053354629. The cubic root of 18069346 is about 262.4102598761.

The spelling of 18069346 in words is "eighteen million, sixty-nine thousand, three hundred forty-six".