1912838938 has 8 divisors (see below), whose sum is σ = 2871457632. Its totient is φ = 955686396.

The previous prime is 1912838923. The next prime is 1912838971. The reversal of 1912838938 is 8398382191.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363270 + ... + 368497.

It is an arithmetic number, because the mean of its divisors is an integer number (358932204).

Almost surely, 2^1912838938 is an apocalyptic number.

1912838938 is a deficient number, since it is larger than the sum of its proper divisors (958618694).

1912838938 is a wasteful number, since it uses less digits than its factorization.

1912838938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733076.

The product of its digits is 746496, while the sum is 52.

The square root of 1912838938 is about 43736.0141988270. The cubic root of 1912838938 is about 1241.3458631091.

The spelling of 1912838938 in words is "one billion, nine hundred twelve million, eight hundred thirty-eight thousand, nine hundred thirty-eight".