1729424 has 10 divisors (see below), whose sum is σ = 3350790. Its totient is φ = 864704.

The previous prime is 1729391. The next prime is 1729433. The reversal of 1729424 is 4249271.

It can be written as a sum of positive squares in only one way, i.e., 1517824 + 211600 = 1232^2 + 460^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54029 + ... + 54060.

It is an arithmetic number, because the mean of its divisors is an integer number (335079).

2^1729424 is an apocalyptic number.

It is an amenable number.

1729424 is a deficient number, since it is larger than the sum of its proper divisors (1621366).

1729424 is a wasteful number, since it uses less digits than its factorization.

1729424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108097 (or 108091 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 1729424 is about 1315.0756632225. The cubic root of 1729424 is about 120.0329539125.

The spelling of 1729424 in words is "one million, seven hundred twenty-nine thousand, four hundred twenty-four".