345797 has 4 divisors (see below), whose sum is σ = 366156. Its totient is φ = 325440.

The previous prime is 345791. The next prime is 345803. The reversal of 345797 is 797543.

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

It is an interprime number because it is at equal distance from previous prime (345791) and next prime (345803).

It can be written as a sum of positive squares in 2 ways, for example, as 244036 + 101761 = 494^2 + 319^2 .

It is a cyclic number.

It is not a de Polignac number, because 345797 - 2⁶ = 345733 is a prime.

It is an Ulam 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 (345791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10154 + ... + 10187.

It is an arithmetic number, because the mean of its divisors is an integer number (91539).

345797 is a Friedman number, since it can be written as 53+9*(7+7)^4, using all its digits and the basic arithmetic operations.

2³⁴⁵⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

345797 is a deficient number, since it is larger than the sum of its proper divisors (20359).

345797 is a wasteful number, since it uses less digits than its factorization.

345797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20358.

The product of its digits is 26460, while the sum is 35.

The square root of 345797 is about 588.0450663002. The cubic root of 345797 is about 70.1897572467.

The spelling of 345797 in words is "three hundred forty-five thousand, seven hundred ninety-seven".