18069406 has 8 divisors (see below), whose sum is σ = 27193320. Its totient is φ = 9004968.

The previous prime is 18069371. The next prime is 18069473. The reversal of 18069406 is 60496081.

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

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, 14101 + ... + 15328.

It is an arithmetic number, because the mean of its divisors is an integer number (3399165).

Almost surely, 2^18069406 is an apocalyptic number.

18069406 is a deficient number, since it is larger than the sum of its proper divisors (9123914).

18069406 is a wasteful number, since it uses less digits than its factorization.

18069406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29738.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 18069406 is about 4250.8123929433. The cubic root of 18069406 is about 262.4105503237.

The spelling of 18069406 in words is "eighteen million, sixty-nine thousand, four hundred six".