1923196338 has 32 divisors (see below), whose sum is σ = 4884309120. Its totient is φ = 549484560.

The previous prime is 1923196333. The next prime is 1923196351. The reversal of 1923196338 is 8336913291.

1923196338 is a `hidden beast` number, since 1 + 9 + 2 + 3 + 1 + 9 + 633 + 8 = 666.

It is a super-2 number, since 2×1923196338² = 7397368308993220488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1923196293 and 1923196302.

It is not an unprimeable number, because it can be changed into a prime (1923196333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2543533 + ... + 2544288.

It is an arithmetic number, because the mean of its divisors is an integer number (152634660).

Almost surely, 2^1923196338 is an apocalyptic number.

1923196338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1923196338 is an abundant number, since it is smaller than the sum of its proper divisors (2961112782).

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

1923196338 is a wasteful number, since it uses less digits than its factorization.

1923196338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087839 (or 5087833 counting only the distinct ones).

The product of its digits is 209952, while the sum is 45.

The square root of 1923196338 is about 43854.2624838225. The cubic root of 1923196338 is about 1243.5823259296.

The spelling of 1923196338 in words is "one billion, nine hundred twenty-three million, one hundred ninety-six thousand, three hundred thirty-eight".