340671 has 4 divisors (see below), whose sum is σ = 454232. Its totient is φ = 227112.

The previous prime is 340661. The next prime is 340687. The reversal of 340671 is 176043.

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

It is not a de Polignac number, because 340671 - 2¹⁵ = 307903 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 340671.

It is not an unprimeable number, because it can be changed into a prime (340601) 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, 56776 + ... + 56781.

It is an arithmetic number, because the mean of its divisors is an integer number (113558).

2³⁴⁰⁶⁷¹ is an apocalyptic number.

340671 is a deficient number, since it is larger than the sum of its proper divisors (113561).

340671 is a wasteful number, since it uses less digits than its factorization.

340671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113560.

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

The square root of 340671 is about 583.6702836362. The cubic root of 340671 is about 69.8412046703.

The spelling of 340671 in words is "three hundred forty thousand, six hundred seventy-one".