340413 has 8 divisors (see below), whose sum is σ = 456768. Its totient is φ = 225504.

The previous prime is 340409. The next prime is 340429. The reversal of 340413 is 314043.

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

It is not a de Polignac number, because 340413 - 2² = 340409 is a prime.

340413 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 340392 and 340401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340453) 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, 456 + ... + 942.

It is an arithmetic number, because the mean of its divisors is an integer number (57096).

2³⁴⁰⁴¹³ is an apocalyptic number.

It is an amenable number.

340413 is a deficient number, since it is larger than the sum of its proper divisors (116355).

340413 is a wasteful number, since it uses less digits than its factorization.

340413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 340413 is about 583.4492265827. The cubic root of 340413 is about 69.8235692963.

Adding to 340413 its reverse (314043), we get a palindrome (654456).

The spelling of 340413 in words is "three hundred forty thousand, four hundred thirteen".