1868434372 has 48 divisors (see below), whose sum is σ = 3810240000. Its totient is φ = 785176704.

The previous prime is 1868434349. The next prime is 1868434397. The reversal of 1868434372 is 2734348681.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326754 + ... + 332422.

It is an arithmetic number, because the mean of its divisors is an integer number (79380000).

Almost surely, 2^1868434372 is an apocalyptic number.

It is an amenable number.

1868434372 is an abundant number, since it is smaller than the sum of its proper divisors (1941805628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1868434372 is a wasteful number, since it uses less digits than its factorization.

1868434372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908 (or 5906 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The square root of 1868434372 is about 43225.3903626098. The cubic root of 1868434372 is about 1231.6650444681.

The spelling of 1868434372 in words is "one billion, eight hundred sixty-eight million, four hundred thirty-four thousand, three hundred seventy-two".