18914068 has 12 divisors (see below), whose sum is σ = 33428052. Its totient is φ = 9363200.

The previous prime is 18914059. The next prime is 18914099. The reversal of 18914068 is 86041981.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 16548624 + 2365444 = 4068^2 + 1538^2 .

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, 23005 + ... + 23812.

It is an arithmetic number, because the mean of its divisors is an integer number (2785671).

Almost surely, 2^18914068 is an apocalyptic number.

It is an amenable number.

18914068 is a deficient number, since it is larger than the sum of its proper divisors (14513984).

18914068 is a wasteful number, since it uses less digits than its factorization.

18914068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46922 (or 46920 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 18914068 is about 4349.0306966036. The cubic root of 18914068 is about 266.4372742561.

The spelling of 18914068 in words is "eighteen million, nine hundred fourteen thousand, sixty-eight".