18328954 has 8 divisors (see below), whose sum is σ = 31421088. Its totient is φ = 7855260.

The previous prime is 18328951. The next prime is 18328969. The reversal of 18328954 is 45982381.

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 (18328951) 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, 654592 + ... + 654619.

It is an arithmetic number, because the mean of its divisors is an integer number (3927636).

Almost surely, 2^18328954 is an apocalyptic number.

18328954 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18328954 is a deficient number, since it is larger than the sum of its proper divisors (13092134).

18328954 is a wasteful number, since it uses less digits than its factorization.

18328954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309220.

The product of its digits is 69120, while the sum is 40.

The square root of 18328954 is about 4281.2327663887. The cubic root of 18328954 is about 263.6609992977.

The spelling of 18328954 in words is "eighteen million, three hundred twenty-eight thousand, nine hundred fifty-four".