340526 has 4 divisors (see below), whose sum is σ = 510792. Its totient is φ = 170262.

The previous prime is 340519. The next prime is 340541. The reversal of 340526 is 625043.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 3⁵ + 4⁹ + 5⁷ + 0 + 2³ + 6 .

It is a junction number, because it is equal to n+sod(n) for n = 340498 and 340507.

It is a congruent number.

It is an unprimeable number.

340526 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85130 + ... + 85133.

It is an arithmetic number, because the mean of its divisors is an integer number (127698).

2³⁴⁰⁵²⁶ is an apocalyptic number.

340526 is a deficient number, since it is larger than the sum of its proper divisors (170266).

340526 is a wasteful number, since it uses less digits than its factorization.

340526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170265.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 340526 is about 583.5460564514. The cubic root of 340526 is about 69.8312944130.

Adding to 340526 its reverse (625043), we get a palindrome (965569).

The spelling of 340526 in words is "three hundred forty thousand, five hundred twenty-six".