18796338 has 48 divisors (see below), whose sum is σ = 45208800. Its totient is φ = 5595840.

The previous prime is 18796331. The next prime is 18796363. The reversal of 18796338 is 83369781.

It is a happy number.

18796338 is a `hidden beast` number, since 1 + 8 + 7 + 9 + 633 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 18796293 and 18796302.

It is not an unprimeable number, because it can be changed into a prime (18796331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10878 + ... + 12486.

It is an arithmetic number, because the mean of its divisors is an integer number (941850).

Almost surely, 2^18796338 is an apocalyptic number.

18796338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18796338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22604400).

18796338 is an abundant number, since it is smaller than the sum of its proper divisors (26412462).

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

18796338 is a wasteful number, since it uses less digits than its factorization.

18796338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687 (or 1684 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 18796338 is about 4335.4743685092. The cubic root of 18796338 is about 265.8833132464.

It can be divided in two parts, 1879633 and 8, that added together give a square (1879641 = 1371²).

The spelling of 18796338 in words is "eighteen million, seven hundred ninety-six thousand, three hundred thirty-eight".