345764 has 6 divisors (see below), whose sum is σ = 605094. Its totient is φ = 172880.

The previous prime is 345757. The next prime is 345769. The reversal of 345764 is 467543.

345764 = T₂₉₀ + T₂₉₁ + ... + T₂₉₇.

It can be written as a sum of positive squares in only one way, i.e., 302500 + 43264 = 550^2 + 208^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345764.

It is not an unprimeable number, because it can be changed into a prime (345769) by changing a digit.

345764 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 as a sum of consecutive naturals, namely, 43217 + ... + 43224.

It is an arithmetic number, because the mean of its divisors is an integer number (100849).

345764 is a Friedman number, since it can be written as (36*7^4+5)*4, using all its digits and the basic arithmetic operations.

2³⁴⁵⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

345764 is a deficient number, since it is larger than the sum of its proper divisors (259330).

345764 is a wasteful number, since it uses less digits than its factorization.

345764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86445 (or 86443 counting only the distinct ones).

The product of its digits is 10080, while the sum is 29.

The square root of 345764 is about 588.0170065568. The cubic root of 345764 is about 70.1875243994.

The spelling of 345764 in words is "three hundred forty-five thousand, seven hundred sixty-four".