340537 has 4 divisors (see below), whose sum is σ = 358480. Its totient is φ = 322596.

The previous prime is 340519. The next prime is 340541. The reversal of 340537 is 735043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340537 - 2⁷ = 340409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8943 + ... + 8980.

It is an arithmetic number, because the mean of its divisors is an integer number (89620).

2³⁴⁰⁵³⁷ is an apocalyptic number.

It is an amenable number.

340537 is a deficient number, since it is larger than the sum of its proper divisors (17943).

340537 is a wasteful number, since it uses less digits than its factorization.

340537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17942.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 340537 is about 583.5554815097. Note that the first 3 decimals coincide. The cubic root of 340537 is about 69.8320463242.

The spelling of 340537 in words is "three hundred forty thousand, five hundred thirty-seven".