1839241272 has 32 divisors (see below), whose sum is σ = 5016113280. Its totient is φ = 557345760.

The previous prime is 1839241259. The next prime is 1839241273. The reversal of 1839241272 is 2721429381.

It is a self number, because there is not a number n which added to its sum of digits gives 1839241272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1839241273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3483148 + ... + 3483675.

It is an arithmetic number, because the mean of its divisors is an integer number (156753540).

Almost surely, 2^1839241272 is an apocalyptic number.

1839241272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1839241272 is an abundant number, since it is smaller than the sum of its proper divisors (3176872008).

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

1839241272 is a wasteful number, since it uses less digits than its factorization.

1839241272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6966843 (or 6966839 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 1839241272 is about 42886.3762983071. The cubic root of 1839241272 is about 1225.2166818148.

The spelling of 1839241272 in words is "one billion, eight hundred thirty-nine million, two hundred forty-one thousand, two hundred seventy-two".