343847 has 4 divisors (see below), whose sum is σ = 392976. Its totient is φ = 294720.

The previous prime is 343831. The next prime is 343891. The reversal of 343847 is 748343.

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 343847 - 2⁴ = 343831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343817) 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, 24554 + ... + 24567.

It is an arithmetic number, because the mean of its divisors is an integer number (98244).

2³⁴³⁸⁴⁷ is an apocalyptic number.

343847 is a deficient number, since it is larger than the sum of its proper divisors (49129).

343847 is an equidigital number, since it uses as much as digits as its factorization.

343847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49128.

The product of its digits is 8064, while the sum is 29.

The square root of 343847 is about 586.3846860210. The cubic root of 343847 is about 70.0575716847.

Subtracting 343847 from its reverse (748343), we obtain a square (404496 = 636²).

It can be divided in two parts, 343 and 847, that multiplied together give a square (290521 = 539²).

The spelling of 343847 in words is "three hundred forty-three thousand, eight hundred forty-seven".