18948606 has 16 divisors (see below), whose sum is σ = 38010000. Its totient is φ = 6297408.

The previous prime is 18948569. The next prime is 18948623. The reversal of 18948606 is 60684981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2431 + ... + 6618.

It is an arithmetic number, because the mean of its divisors is an integer number (2375625).

Almost surely, 2^18948606 is an apocalyptic number.

18948606 is an abundant number, since it is smaller than the sum of its proper divisors (19061394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18948606 is a wasteful number, since it uses less digits than its factorization.

18948606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9403.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 18948606 is about 4352.9996554100. Note that the first 3 decimals coincide. The cubic root of 18948606 is about 266.5993514117.

The spelling of 18948606 in words is "eighteen million, nine hundred forty-eight thousand, six hundred six".