18911342 has 16 divisors (see below), whose sum is σ = 28978800. Its totient is φ = 9253440.

The previous prime is 18911339. The next prime is 18911369. The reversal of 18911342 is 24311981.

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, 46034 + ... + 46442.

It is an arithmetic number, because the mean of its divisors is an integer number (1811175).

Almost surely, 2^18911342 is an apocalyptic number.

18911342 is a deficient number, since it is larger than the sum of its proper divisors (10067458).

18911342 is a wasteful number, since it uses less digits than its factorization.

18911342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its digits is 1728, while the sum is 29.

The square root of 18911342 is about 4348.7172821419. The cubic root of 18911342 is about 266.4244735036.

The spelling of 18911342 in words is "eighteen million, nine hundred eleven thousand, three hundred forty-two".