347438685 has 32 divisors (see below), whose sum is σ = 607523328. Its totient is φ = 168153920.

The previous prime is 347438681. The next prime is 347438717. The reversal of 347438685 is 586834743.

It is not a de Polignac number, because 347438685 - 2² = 347438681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347438681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111154 + ... + 114236.

It is an arithmetic number, because the mean of its divisors is an integer number (18985104).

Almost surely, 2^347438685 is an apocalyptic number.

It is an amenable number.

347438685 is a deficient number, since it is larger than the sum of its proper divisors (260084643).

347438685 is a wasteful number, since it uses less digits than its factorization.

347438685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785.

The product of its digits is 1935360, while the sum is 48.

The square root of 347438685 is about 18639.7072133658. The cubic root of 347438685 is about 703.0065814994.

The spelling of 347438685 in words is "three hundred forty-seven million, four hundred thirty-eight thousand, six hundred eighty-five".