18849852 has 72 divisors (see below), whose sum is σ = 54966912. Its totient is φ = 5335200.

The previous prime is 18849833. The next prime is 18849871. The reversal of 18849852 is 25894881.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (18849833) and next prime (18849871).

It is a junction number, because it is equal to n+sod(n) for n = 18849798 and 18849807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32727 + ... + 33297.

Almost surely, 2^18849852 is an apocalyptic number.

18849852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18849852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27483456).

18849852 is an abundant number, since it is smaller than the sum of its proper divisors (36117060).

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

18849852 is a wasteful number, since it uses less digits than its factorization.

18849852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 714 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 18849852 is about 4341.6416250078. The cubic root of 18849852 is about 266.1354013199.

It can be divided in two parts, 18849 and 852, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 18849852 in words is "eighteen million, eight hundred forty-nine thousand, eight hundred fifty-two".