18738852 has 24 divisors (see below), whose sum is σ = 47699232. Its totient is φ = 5678400.

The previous prime is 18738851. The next prime is 18738869. The reversal of 18738852 is 25883781.

It is a happy number.

It is a super-2 number, since 2×18738852² = 702289148555808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18738851) 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, 70849 + ... + 71112.

It is an arithmetic number, because the mean of its divisors is an integer number (1987468).

Almost surely, 2^18738852 is an apocalyptic number.

18738852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18738852 is an abundant number, since it is smaller than the sum of its proper divisors (28960380).

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

18738852 is a wasteful number, since it uses less digits than its factorization.

18738852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141979 (or 141977 counting only the distinct ones).

The product of its digits is 107520, while the sum is 42.

The square root of 18738852 is about 4328.8395673668. The cubic root of 18738852 is about 265.6119806675.

Subtracting 18738852 from its reverse (25883781), we obtain a square (7144929 = 2673²).

The spelling of 18738852 in words is "eighteen million, seven hundred thirty-eight thousand, eight hundred fifty-two".