347487 has 8 divisors (see below), whose sum is σ = 529536. Its totient is φ = 198552.

The previous prime is 347443. The next prime is 347489. The reversal of 347487 is 784743.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 347487 - 2⁷ = 347359 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 347487.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8253 + ... + 8294.

It is an arithmetic number, because the mean of its divisors is an integer number (66192).

2³⁴⁷⁴⁸⁷ is an apocalyptic number.

347487 is a deficient number, since it is larger than the sum of its proper divisors (182049).

347487 is a wasteful number, since it uses less digits than its factorization.

347487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16557.

The product of its digits is 18816, while the sum is 33.

The square root of 347487 is about 589.4802795684. The cubic root of 347487 is about 70.3039166806.

The spelling of 347487 in words is "three hundred forty-seven thousand, four hundred eighty-seven".