340769 has 8 divisors (see below), whose sum is σ = 400512. Its totient is φ = 285840.

The previous prime is 340757. The next prime is 340777. The reversal of 340769 is 967043.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340769 is a prime.

It is a super-2 number, since 2×340769² = 232247022722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (340709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049 + ... + 1334.

It is an arithmetic number, because the mean of its divisors is an integer number (50064).

2³⁴⁰⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

340769 is a deficient number, since it is larger than the sum of its proper divisors (59743).

340769 is a wasteful number, since it uses less digits than its factorization.

340769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 340769 is about 583.7542291067. The cubic root of 340769 is about 69.8479010449.

The spelling of 340769 in words is "three hundred forty thousand, seven hundred sixty-nine".