345634 has 8 divisors (see below), whose sum is σ = 530640. Its totient is φ = 168756.

The previous prime is 345607. The next prime is 345637. The reversal of 345634 is 436543.

345634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 345599 and 345608.

It is not an unprimeable number, because it can be changed into a prime (345637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924 + ... + 2095.

It is an arithmetic number, because the mean of its divisors is an integer number (66330).

2³⁴⁵⁶³⁴ is an apocalyptic number.

345634 is a deficient number, since it is larger than the sum of its proper divisors (185006).

345634 is a wasteful number, since it uses less digits than its factorization.

345634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4064.

The product of its digits is 4320, while the sum is 25.

The square root of 345634 is about 587.9064551440. The cubic root of 345634 is about 70.1787269519.

Subtracting 345634 from its reverse (436543), we obtain a palindrome (90909).

It can be divided in two parts, 345 and 634, that added together give a palindrome (979).

The spelling of 345634 in words is "three hundred forty-five thousand, six hundred thirty-four".