18948466 has 16 divisors (see below), whose sum is σ = 29462400. Its totient is φ = 9133488.

The previous prime is 18948463. The next prime is 18948497. The reversal of 18948466 is 66484981.

It is not an unprimeable number, because it can be changed into a prime (18948463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5400 + ... + 8188.

It is an arithmetic number, because the mean of its divisors is an integer number (1841400).

Almost surely, 2^18948466 is an apocalyptic number.

18948466 is a deficient number, since it is larger than the sum of its proper divisors (10513934).

18948466 is a wasteful number, since it uses less digits than its factorization.

18948466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913.

The product of its digits is 331776, while the sum is 46.

The square root of 18948466 is about 4352.9835745153. The cubic root of 18948466 is about 266.5986948286.

The spelling of 18948466 in words is "eighteen million, nine hundred forty-eight thousand, four hundred sixty-six".