345963 has 4 divisors (see below), whose sum is σ = 461288. Its totient is φ = 230640.

The previous prime is 345953. The next prime is 345979. The reversal of 345963 is 369543.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 345963 - 2⁸ = 345707 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345963.

It is not an unprimeable number, because it can be changed into a prime (345923) 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 3 ways as a sum of consecutive naturals, for example, 57658 + ... + 57663.

It is an arithmetic number, because the mean of its divisors is an integer number (115322).

2³⁴⁵⁹⁶³ is an apocalyptic number.

345963 is a deficient number, since it is larger than the sum of its proper divisors (115325).

345963 is a wasteful number, since it uses less digits than its factorization.

345963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115324.

The product of its digits is 9720, while the sum is 30.

The square root of 345963 is about 588.1861950097. The cubic root of 345963 is about 70.2009869911.

The spelling of 345963 in words is "three hundred forty-five thousand, nine hundred sixty-three".