18825246 has 48 divisors (see below), whose sum is σ = 45946368. Its totient is φ = 5518800.

The previous prime is 18825241. The next prime is 18825253. The reversal of 18825246 is 64252881.

It is a self number, because there is not a number n which added to its sum of digits gives 18825246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18825241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4605 + ... + 7671.

It is an arithmetic number, because the mean of its divisors is an integer number (957216).

Almost surely, 2^18825246 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18825246, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22973184).

18825246 is an abundant number, since it is smaller than the sum of its proper divisors (27121122).

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

18825246 is a wasteful number, since it uses less digits than its factorization.

18825246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117 (or 3114 counting only the distinct ones).

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

The square root of 18825246 is about 4338.8069788826. The cubic root of 18825246 is about 266.0195493198.

The spelling of 18825246 in words is "eighteen million, eight hundred twenty-five thousand, two hundred forty-six".