340915 has 8 divisors (see below), whose sum is σ = 419328. Its totient is φ = 265920.

The previous prime is 340913. The next prime is 340919. The reversal of 340915 is 519043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340915 - 2¹ = 340913 is a prime.

It is an Ulam number.

It is a Duffinian number.

340915 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (340913) 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 in 7 ways as a sum of consecutive naturals, for example, 627 + ... + 1036.

It is an arithmetic number, because the mean of its divisors is an integer number (52416).

2³⁴⁰⁹¹⁵ is an apocalyptic number.

340915 is a deficient number, since it is larger than the sum of its proper divisors (78413).

340915 is a wasteful number, since it uses less digits than its factorization.

340915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 340915 is about 583.8792683424. The cubic root of 340915 is about 69.8578748957.

Adding to 340915 its reverse (519043), we get a palindrome (859958).

The spelling of 340915 in words is "three hundred forty thousand, nine hundred fifteen".