1812084794 has 8 divisors (see below), whose sum is σ = 2927213940. Its totient is φ = 836346816.

The previous prime is 1812084793. The next prime is 1812084797. The reversal of 1812084794 is 4974802181.

It can be written as a sum of positive squares in 2 ways, for example, as 1356817225 + 455267569 = 36835^2 + 21337^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1812084793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34847759 + ... + 34847810.

Almost surely, 2^1812084794 is an apocalyptic number.

1812084794 is a deficient number, since it is larger than the sum of its proper divisors (1115129146).

1812084794 is a wasteful number, since it uses less digits than its factorization.

1812084794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69695584.

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 1812084794 is about 42568.5892883473. The cubic root of 1812084794 is about 1219.1566315844.

The spelling of 1812084794 in words is "one billion, eight hundred twelve million, eighty-four thousand, seven hundred ninety-four".