1728893504 has 28 divisors (see below), whose sum is σ = 3694680444. Its totient is φ = 797950464.

The previous prime is 1728893503. The next prime is 1728893513. The reversal of 1728893504 is 4053988271.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 951599104 + 777294400 = 30848^2 + 27880^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1728893503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038167 + ... + 1039830.

It is an arithmetic number, because the mean of its divisors is an integer number (131952873).

Almost surely, 2^1728893504 is an apocalyptic number.

It is an amenable number.

1728893504 is an abundant number, since it is smaller than the sum of its proper divisors (1965786940).

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

1728893504 is a wasteful number, since it uses less digits than its factorization.

1728893504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078022 (or 2078012 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 1728893504 is about 41579.9651755506. The cubic root of 1728893504 is about 1200.2067939911.

The spelling of 1728893504 in words is "one billion, seven hundred twenty-eight million, eight hundred ninety-three thousand, five hundred four".