1726396 has 12 divisors (see below), whose sum is σ = 3452848. Its totient is φ = 739872.

The previous prime is 1726379. The next prime is 1726409. The reversal of 1726396 is 6936271.

1726396 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 7 + 2⁵ + 6⁶ + 3 + 9² + 6⁸ .

It is a congruent number.

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, 30801 + ... + 30856.

2^1726396 is an apocalyptic number.

It is an amenable number.

1726396 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1726396 is a wasteful number, since it uses less digits than its factorization.

1726396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61668 (or 61666 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 1726396 is about 1313.9238942953. The cubic root of 1726396 is about 119.9628588760.

The spelling of 1726396 in words is "one million, seven hundred twenty-six thousand, three hundred ninety-six".