340726 has 4 divisors (see below), whose sum is σ = 511092. Its totient is φ = 170362.

The previous prime is 340723. The next prime is 340757. The reversal of 340726 is 627043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 627043 = 53 ⋅11831.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a pancake number, because a pancake can be divided into 340726 parts by 825 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 340697 and 340706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85180 + ... + 85183.

It is an arithmetic number, because the mean of its divisors is an integer number (127773).

2³⁴⁰⁷²⁶ is an apocalyptic number.

340726 is a deficient number, since it is larger than the sum of its proper divisors (170366).

340726 is a wasteful number, since it uses less digits than its factorization.

340726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170365.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 340726 is about 583.7173973765. The cubic root of 340726 is about 69.8449629978.

Adding to 340726 its reverse (627043), we get a palindrome (967769).

The spelling of 340726 in words is "three hundred forty thousand, seven hundred twenty-six".