18748852 has 6 divisors (see below), whose sum is σ = 32810498. Its totient is φ = 9374424.

The previous prime is 18748837. The next prime is 18748853. The reversal of 18748852 is 25884781.

It can be written as a sum of positive squares in only one way, i.e., 15085456 + 3663396 = 3884^2 + 1914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18748799 and 18748808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18748853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2343603 + ... + 2343610.

Almost surely, 2^18748852 is an apocalyptic number.

It is an amenable number.

18748852 is a deficient number, since it is larger than the sum of its proper divisors (14061646).

18748852 is a wasteful number, since it uses less digits than its factorization.

18748852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4687217 (or 4687215 counting only the distinct ones).

The product of its digits is 143360, while the sum is 43.

The square root of 18748852 is about 4329.9944572713. The cubic root of 18748852 is about 265.6592202648.

It can be divided in two parts, 18748 and 852, that added together give a square (19600 = 140²).

The spelling of 18748852 in words is "eighteen million, seven hundred forty-eight thousand, eight hundred fifty-two".