18867852 has 36 divisors (see below), whose sum is σ = 47849256. Its totient is φ = 6268800.

The previous prime is 18867851. The next prime is 18867859. The reversal of 18867852 is 25876881.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 18867798 and 18867807.

It is not an unprimeable number, because it can be changed into a prime (18867851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13783 + ... + 15089.

It is an arithmetic number, because the mean of its divisors is an integer number (1329146).

Almost surely, 2^18867852 is an apocalyptic number.

18867852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18867852 is an abundant number, since it is smaller than the sum of its proper divisors (28981404).

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

18867852 is a wasteful number, since it uses less digits than its factorization.

18867852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718 (or 1713 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 18867852 is about 4343.7140789882. The cubic root of 18867852 is about 266.2200865686.

The spelling of 18867852 in words is "eighteen million, eight hundred sixty-seven thousand, eight hundred fifty-two".