1728381484 has 6 divisors (see below), whose sum is σ = 3024667604. Its totient is φ = 864190740.

The previous prime is 1728381467. The next prime is 1728381491. The reversal of 1728381484 is 4841838271.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216047682 + ... + 216047689.

Almost surely, 2^1728381484 is an apocalyptic number.

It is an amenable number.

1728381484 is a deficient number, since it is larger than the sum of its proper divisors (1296286120).

1728381484 is a wasteful number, since it uses less digits than its factorization.

1728381484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432095375 (or 432095373 counting only the distinct ones).

The product of its digits is 344064, while the sum is 46.

The square root of 1728381484 is about 41573.8076678093. The cubic root of 1728381484 is about 1200.0882999839.

The spelling of 1728381484 in words is "one billion, seven hundred twenty-eight million, three hundred eighty-one thousand, four hundred eighty-four".