1839830864 has 10 divisors (see below), whose sum is σ = 3564672330. Its totient is φ = 919915424.

The previous prime is 1839830813. The next prime is 1839830869. The reversal of 1839830864 is 4680389381.

It can be written as a sum of positive squares in only one way, i.e., 1384435264 + 455395600 = 37208^2 + 21340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1839830869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57494699 + ... + 57494730.

It is an arithmetic number, because the mean of its divisors is an integer number (356467233).

Almost surely, 2^1839830864 is an apocalyptic number.

It is an amenable number.

1839830864 is a deficient number, since it is larger than the sum of its proper divisors (1724841466).

1839830864 is a wasteful number, since it uses less digits than its factorization.

1839830864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114989437 (or 114989431 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 1839830864 is about 42893.2496320808. The cubic root of 1839830864 is about 1225.3475873843.

The spelling of 1839830864 in words is "one billion, eight hundred thirty-nine million, eight hundred thirty thousand, eight hundred sixty-four".