1728839932 has 6 divisors (see below), whose sum is σ = 3025469888. Its totient is φ = 864419964.

The previous prime is 1728839831. The next prime is 1728839933. The reversal of 1728839932 is 2399388271.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1728839932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1728839933) 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 as a sum of consecutive naturals, namely, 216104988 + ... + 216104995.

Almost surely, 2^1728839932 is an apocalyptic number.

It is an amenable number.

1728839932 is a deficient number, since it is larger than the sum of its proper divisors (1296629956).

1728839932 is a wasteful number, since it uses less digits than its factorization.

1728839932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432209987 (or 432209985 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 1728839932 is about 41579.3209660764. The cubic root of 1728839932 is about 1200.1943972101.

The spelling of 1728839932 in words is "one billion, seven hundred twenty-eight million, eight hundred thirty-nine thousand, nine hundred thirty-two".