18848620 has 96 divisors (see below), whose sum is σ = 48254976. Its totient is φ = 6048000.

The previous prime is 18848617. The next prime is 18848633. The reversal of 18848620 is 2684881.

It is a self number, because there is not a number n which added to its sum of digits gives 18848620.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186570 + ... + 186670.

It is an arithmetic number, because the mean of its divisors is an integer number (502656).

Almost surely, 2^18848620 is an apocalyptic number.

18848620 is a gapful number since it is divisible by the number (10) 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 18848620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24127488).

18848620 is an abundant number, since it is smaller than the sum of its proper divisors (29406356).

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

18848620 is a wasteful number, since it uses less digits than its factorization.

18848620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 18848620 is about 4341.4997408730. The cubic root of 18848620 is about 266.1296031142.

The spelling of 18848620 in words is "eighteen million, eight hundred forty-eight thousand, six hundred twenty".