19682338 has 16 divisors (see below), whose sum is σ = 31877496. Its totient is φ = 9060480.

The previous prime is 19682293. The next prime is 19682339. The reversal of 19682338 is 83328691.

It can be written as a sum of positive squares in 4 ways, for example, as 16916769 + 2765569 = 4113^2 + 1663^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 19682338.

It is not an unprimeable number, because it can be changed into a prime (19682339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12820 + ... + 14272.

Almost surely, 2^19682338 is an apocalyptic number.

19682338 is a deficient number, since it is larger than the sum of its proper divisors (12195158).

19682338 is a wasteful number, since it uses less digits than its factorization.

19682338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989.

The product of its digits is 62208, while the sum is 40.

The square root of 19682338 is about 4436.4781076886. The cubic root of 19682338 is about 269.9969729885.

The spelling of 19682338 in words is "nineteen million, six hundred eighty-two thousand, three hundred thirty-eight".