1839854012 has 12 divisors (see below), whose sum is σ = 3228972600. Its totient is φ = 917290416.

The previous prime is 1839854011. The next prime is 1839854017. The reversal of 1839854012 is 2104589381.

It is a super-2 number, since 2×1839854012² = 6770125570944992288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1839854011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657578 + ... + 660369.

It is an arithmetic number, because the mean of its divisors is an integer number (269081050).

Almost surely, 2^1839854012 is an apocalyptic number.

It is an amenable number.

1839854012 is a deficient number, since it is larger than the sum of its proper divisors (1389118588).

1839854012 is a wasteful number, since it uses less digits than its factorization.

1839854012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318300 (or 1318298 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 1839854012 is about 42893.5194639004. The cubic root of 1839854012 is about 1225.3527263036.

The spelling of 1839854012 in words is "one billion, eight hundred thirty-nine million, eight hundred fifty-four thousand, twelve".