18852246 has 48 divisors (see below), whose sum is σ = 47028384. Its totient is φ = 5346432.

The previous prime is 18852221. The next prime is 18852271. The reversal of 18852246 is 64225881.

It is an interprime number because it is at equal distance from previous prime (18852221) and next prime (18852271).

It is a self number, because there is not a number n which added to its sum of digits gives 18852246.

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, 19306 + ... + 20258.

It is an arithmetic number, because the mean of its divisors is an integer number (979758).

Almost surely, 2^18852246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18852246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23514192).

18852246 is an abundant number, since it is smaller than the sum of its proper divisors (28176138).

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

18852246 is a wasteful number, since it uses less digits than its factorization.

18852246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1122 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 18852246 is about 4341.9173184205. The cubic root of 18852246 is about 266.1466675654.

The spelling of 18852246 in words is "eighteen million, eight hundred fifty-two thousand, two hundred forty-six".