1728241946 has 8 divisors (see below), whose sum is σ = 2601524064. Its totient is φ = 861067260.

The previous prime is 1728241901. The next prime is 1728241951. The reversal of 1728241946 is 6491428271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1728241897 and 1728241906.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1526150 + ... + 1527281.

It is an arithmetic number, because the mean of its divisors is an integer number (325190508).

Almost surely, 2^1728241946 is an apocalyptic number.

1728241946 is a deficient number, since it is larger than the sum of its proper divisors (873282118).

1728241946 is a wasteful number, since it uses less digits than its factorization.

1728241946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3053716.

The product of its digits is 193536, while the sum is 44.

The square root of 1728241946 is about 41572.1294378818. The cubic root of 1728241946 is about 1200.0560034048.

The spelling of 1728241946 in words is "one billion, seven hundred twenty-eight million, two hundred forty-one thousand, nine hundred forty-six".