340450 has 24 divisors (see below), whose sum is σ = 691920. Its totient is φ = 123600.

The previous prime is 340447. The next prime is 340451. The reversal of 340450 is 54043.

It is not an unprimeable number, because it can be changed into a prime (340451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 241 + ... + 859.

It is an arithmetic number, because the mean of its divisors is an integer number (28830).

2³⁴⁰⁴⁵⁰ is an apocalyptic number.

340450 is an abundant number, since it is smaller than the sum of its proper divisors (351470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

340450 is a wasteful number, since it uses less digits than its factorization.

340450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 340450 is about 583.4809337073. The cubic root of 340450 is about 69.8260989475.

Adding to 340450 its reverse (54043), we get a palindrome (394493).

The spelling of 340450 in words is "three hundred forty thousand, four hundred fifty".