1912801838 has 8 divisors (see below), whose sum is σ = 2883767832. Its totient is φ = 951545896.

The previous prime is 1912801819. The next prime is 1912801859. The reversal of 1912801838 is 8381082191.

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

It is a junction number, because it is equal to n+sod(n) for n = 1912801795 and 1912801804.

It is a congruent number.

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, 2427020 + ... + 2427807.

It is an arithmetic number, because the mean of its divisors is an integer number (360470979).

Almost surely, 2^1912801838 is an apocalyptic number.

1912801838 is a deficient number, since it is larger than the sum of its proper divisors (970965994).

1912801838 is a wasteful number, since it uses less digits than its factorization.

1912801838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855026.

The product of its (nonzero) digits is 27648, while the sum is 41.

The square root of 1912801838 is about 43735.5900611847. The cubic root of 1912801838 is about 1241.3378376504.

The spelling of 1912801838 in words is "one billion, nine hundred twelve million, eight hundred one thousand, eight hundred thirty-eight".