340761 has 8 divisors (see below), whose sum is σ = 459424. Its totient is φ = 224640.

The previous prime is 340757. The next prime is 340777. The reversal of 340761 is 167043.

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

It is not a de Polignac number, because 340761 - 2² = 340757 is a prime.

It is a super-2 number, since 2×340761² = 232236118242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340061) 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, 295 + ... + 876.

It is an arithmetic number, because the mean of its divisors is an integer number (57428).

2³⁴⁰⁷⁶¹ is an apocalyptic number.

It is an amenable number.

340761 is a deficient number, since it is larger than the sum of its proper divisors (118663).

340761 is a wasteful number, since it uses less digits than its factorization.

340761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 340761 is about 583.7473768678. The cubic root of 340761 is about 69.8473544502.

The spelling of 340761 in words is "three hundred forty thousand, seven hundred sixty-one".