18308954 has 8 divisors (see below), whose sum is σ = 27664308. Its totient is φ = 9087520.

The previous prime is 18308929. The next prime is 18308959. The reversal of 18308954 is 45980381.

It can be written as a sum of positive squares in 2 ways, for example, as 17850625 + 458329 = 4225^2 + 677^2 .

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 (18308959) 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, 33137 + ... + 33684.

Almost surely, 2^18308954 is an apocalyptic number.

18308954 is a deficient number, since it is larger than the sum of its proper divisors (9355354).

18308954 is a wasteful number, since it uses less digits than its factorization.

18308954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66960.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 18308954 is about 4278.8963530331. The cubic root of 18308954 is about 263.5650647607.

The spelling of 18308954 in words is "eighteen million, three hundred eight thousand, nine hundred fifty-four".