18948652 has 6 divisors (see below), whose sum is σ = 33160148. Its totient is φ = 9474324.

The previous prime is 18948649. The next prime is 18948653. The reversal of 18948652 is 25684981.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18948599 and 18948608.

It is not an unprimeable number, because it can be changed into a prime (18948653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2368578 + ... + 2368585.

Almost surely, 2^18948652 is an apocalyptic number.

It is an amenable number.

18948652 is a deficient number, since it is larger than the sum of its proper divisors (14211496).

18948652 is a wasteful number, since it uses less digits than its factorization.

18948652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4737167 (or 4737165 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 18948652 is about 4353.0049391196. The cubic root of 18948652 is about 266.5995671454.

Subtracting from 18948652 its sum of digits (43), we obtain a square (18948609 = 4353²).

It can be divided in two parts, 18948 and 652, that added together give a square (19600 = 140²).

The spelling of 18948652 in words is "eighteen million, nine hundred forty-eight thousand, six hundred fifty-two".