340630 has 16 divisors (see below), whose sum is σ = 640224. Its totient is φ = 130240.

The previous prime is 340619. The next prime is 340633. The reversal of 340630 is 36043.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340633) by changing a digit.

340630 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511 + ... + 970.

It is an arithmetic number, because the mean of its divisors is an integer number (40014).

2³⁴⁰⁶³⁰ is an apocalyptic number.

340630 is a deficient number, since it is larger than the sum of its proper divisors (299594).

340630 is a wasteful number, since it uses less digits than its factorization.

340630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 340630 is about 583.6351600101. The cubic root of 340630 is about 69.8384027448.

Adding to 340630 its reverse (36043), we get a palindrome (376673).

The spelling of 340630 in words is "three hundred forty thousand, six hundred thirty".