340945 has 8 divisors (see below), whose sum is σ = 446400. Its totient is φ = 247920.

The previous prime is 340939. The next prime is 340957. The reversal of 340945 is 549043.

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

It is not a de Polignac number, because 340945 - 2³ = 340937 is a prime.

It is a d-powerful number, because it can be written as 3⁹ + 4³ + 9⁵ + 0 + 4⁹ + 5 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3045 + ... + 3154.

It is an arithmetic number, because the mean of its divisors is an integer number (55800).

2³⁴⁰⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

340945 is a deficient number, since it is larger than the sum of its proper divisors (105455).

340945 is a wasteful number, since it uses less digits than its factorization.

340945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 340945 is about 583.9049580197. The cubic root of 340945 is about 69.8599239644.

Adding to 340945 its reverse (549043), we get a palindrome (889988).

The spelling of 340945 in words is "three hundred forty thousand, nine hundred forty-five".