356347 has 4 divisors (see below), whose sum is σ = 366016. Its totient is φ = 346680.

The previous prime is 356333. The next prime is 356351. The reversal of 356347 is 743653.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743653 = 113 ⋅6581.

It is a cyclic number.

It is not a de Polignac number, because 356347 - 2⁷ = 356219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (356327) 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, 4779 + ... + 4852.

It is an arithmetic number, because the mean of its divisors is an integer number (91504).

2³⁵⁶³⁴⁷ is an apocalyptic number.

356347 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

356347 is a deficient number, since it is larger than the sum of its proper divisors (9669).

356347 is an equidigital number, since it uses as much as digits as its factorization.

356347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668.

The product of its digits is 7560, while the sum is 28.

The square root of 356347 is about 596.9480714434. The cubic root of 356347 is about 70.8964303597.

It can be divided in two parts, 356 and 347, that added together give a triangular number (703 = T₃₇).

The spelling of 356347 in words is "three hundred fifty-six thousand, three hundred forty-seven".