347485 has 4 divisors (see below), whose sum is σ = 416988. Its totient is φ = 277984.

The previous prime is 347443. The next prime is 347489. The reversal of 347485 is 584743.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584743 = 547 ⋅1069.

It can be written as a sum of positive squares in 2 ways, for example, as 95481 + 252004 = 309^2 + 502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-347485 is a prime.

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 347485.

It is not an unprimeable number, because it can be changed into a prime (347489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34744 + ... + 34753.

It is an arithmetic number, because the mean of its divisors is an integer number (104247).

2³⁴⁷⁴⁸⁵ is an apocalyptic number.

It is an amenable number.

347485 is a deficient number, since it is larger than the sum of its proper divisors (69503).

347485 is an equidigital number, since it uses as much as digits as its factorization.

347485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69502.

The product of its digits is 13440, while the sum is 31.

The square root of 347485 is about 589.4785831563. The cubic root of 347485 is about 70.3037817997.

The spelling of 347485 in words is "three hundred forty-seven thousand, four hundred eighty-five".