18103954 has 8 divisors (see below), whose sum is σ = 29624688. Its totient is φ = 8229060.

The previous prime is 18103951. The next prime is 18103957. The reversal of 18103954 is 45930181.

It is an interprime number because it is at equal distance from previous prime (18103951) and next prime (18103957).

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 (18103951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411432 + ... + 411475.

It is an arithmetic number, because the mean of its divisors is an integer number (3703086).

Almost surely, 2^18103954 is an apocalyptic number.

18103954 is a deficient number, since it is larger than the sum of its proper divisors (11520734).

18103954 is a wasteful number, since it uses less digits than its factorization.

18103954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822920.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 18103954 is about 4254.8741461999. The cubic root of 18103954 is about 262.5776834331.

The spelling of 18103954 in words is "eighteen million, one hundred three thousand, nine hundred fifty-four".