347985867 has 8 divisors (see below), whose sum is σ = 466663824. Its totient is φ = 230649248.

The previous prime is 347985853. The next prime is 347985899. The reversal of 347985867 is 768589743.

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

It is a cyclic number.

It is not a de Polignac number, because 347985867 - 2¹⁹ = 347461579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (347985167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334728 + ... + 335765.

It is an arithmetic number, because the mean of its divisors is an integer number (58332978).

Almost surely, 2^347985867 is an apocalyptic number.

347985867 is a deficient number, since it is larger than the sum of its proper divisors (118677957).

347985867 is a wasteful number, since it uses less digits than its factorization.

347985867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670669.

The product of its digits is 10160640, while the sum is 57.

The square root of 347985867 is about 18654.3792981702. The cubic root of 347985867 is about 703.3754434980.

The spelling of 347985867 in words is "three hundred forty-seven million, nine hundred eighty-five thousand, eight hundred sixty-seven".