347347087 has 4 divisors (see below), whose sum is σ = 347393680. Its totient is φ = 347300496.

The previous prime is 347347079. The next prime is 347347093. The reversal of 347347087 is 780743743.

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

It is a 4-Lehmer number, since φ(347347087) divides (347347087-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 347347087 - 2³ = 347347079 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 (347347027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9318 + ... + 27955.

It is an arithmetic number, because the mean of its divisors is an integer number (86848420).

It is a Poulet number, since it divides 2^347347086-1.

Almost surely, 2^347347087 is an apocalyptic number.

347347087 is the 9319-th decagonal number.

347347087 is a deficient number, since it is larger than the sum of its proper divisors (46593).

347347087 is an equidigital number, since it uses as much as digits as its factorization.

347347087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46592.

The product of its (nonzero) digits is 395136, while the sum is 43.

The square root of 347347087 is about 18637.2499849093. The cubic root of 347347087 is about 702.9447963467.

The spelling of 347347087 in words is "three hundred forty-seven million, three hundred forty-seven thousand, eighty-seven".