345711 has 4 divisors (see below), whose sum is σ = 460952. Its totient is φ = 230472.

The previous prime is 345707. The next prime is 345727. The reversal of 345711 is 117543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117543 = 3 ⋅39181.

It is not a de Polignac number, because 345711 - 2² = 345707 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345701) 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, 57616 + ... + 57621.

It is an arithmetic number, because the mean of its divisors is an integer number (115238).

2³⁴⁵⁷¹¹ is an apocalyptic number.

345711 is a deficient number, since it is larger than the sum of its proper divisors (115241).

345711 is a wasteful number, since it uses less digits than its factorization.

345711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115240.

The product of its digits is 420, while the sum is 21.

The square root of 345711 is about 587.9719381059. The cubic root of 345711 is about 70.1839380140.

The spelling of 345711 in words is "three hundred forty-five thousand, seven hundred eleven".