18113954 has 8 divisors (see below), whose sum is σ = 28601040. Its totient is φ = 8580276.

The previous prime is 18113939. The next prime is 18113957. The reversal of 18113954 is 45931181.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18113954.

It is not an unprimeable number, because it can be changed into a prime (18113957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238304 + ... + 238379.

It is an arithmetic number, because the mean of its divisors is an integer number (3575130).

Almost surely, 2^18113954 is an apocalyptic number.

18113954 is a deficient number, since it is larger than the sum of its proper divisors (10487086).

18113954 is a wasteful number, since it uses less digits than its factorization.

18113954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476704.

The product of its digits is 4320, while the sum is 32.

The square root of 18113954 is about 4256.0491068596. The cubic root of 18113954 is about 262.6260208206.

The spelling of 18113954 in words is "eighteen million, one hundred thirteen thousand, nine hundred fifty-four".