340971 has 4 divisors (see below), whose sum is σ = 454632. Its totient is φ = 227312.

The previous prime is 340957. The next prime is 340979. The reversal of 340971 is 179043.

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

It is a cyclic number.

It is not a de Polignac number, because 340971 - 2⁵ = 340939 is a prime.

It is a super-2 number, since 2×340971² = 232522445682, which contains 22 as substring.

It is a D-number.

340971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (340979) 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, 56826 + ... + 56831.

It is an arithmetic number, because the mean of its divisors is an integer number (113658).

2³⁴⁰⁹⁷¹ is an apocalyptic number.

340971 is a deficient number, since it is larger than the sum of its proper divisors (113661).

340971 is a wasteful number, since it uses less digits than its factorization.

340971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113660.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 340971 is about 583.9272214925. The cubic root of 340971 is about 69.8616997267.

The spelling of 340971 in words is "three hundred forty thousand, nine hundred seventy-one".