1729395396 has 81 divisors (see below), whose sum is σ = 4546490221. Its totient is φ = 554258208.

The previous prime is 1729395359. The next prime is 1729395403. The reversal of 1729395396 is 6935939271.

It is a happy number.

The square root of 1729395396 is 41586.

It is a perfect power (a square), and thus also a powerful number.

1729395396 is a `hidden beast` number, since 1 + 72 + 9 + 39 + 539 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 906852996 + 822542400 = 30114^2 + 28680^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7235845 + ... + 7236083.

Almost surely, 2^1729395396 is an apocalyptic number.

1729395396 is the 41586-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1729395396

1729395396 is an abundant number, since it is smaller than the sum of its proper divisors (2817094825).

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

1729395396 is a wasteful number, since it uses less digits than its factorization.

1729395396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 273 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 54.

The cubic root of 1729395396 is about 1200.3229214270.

The spelling of 1729395396 in words is "one billion, seven hundred twenty-nine million, three hundred ninety-five thousand, three hundred ninety-six".