347874985 has 8 divisors (see below), whose sum is σ = 419636736. Its totient is φ = 276842160.

The previous prime is 347874983. The next prime is 347874991. The reversal of 347874985 is 589478743.

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

It is not a de Polignac number, because 347874985 - 2¹ = 347874983 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (347874983) 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, 181179 + ... + 183088.

It is an arithmetic number, because the mean of its divisors is an integer number (52454592).

Almost surely, 2^347874985 is an apocalyptic number.

It is an amenable number.

347874985 is a deficient number, since it is larger than the sum of its proper divisors (71761751).

347874985 is a wasteful number, since it uses less digits than its factorization.

347874985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364463.

The product of its digits is 6773760, while the sum is 55.

The square root of 347874985 is about 18651.4070514801. The cubic root of 347874985 is about 703.3007278571.

The spelling of 347874985 in words is "three hundred forty-seven million, eight hundred seventy-four thousand, nine hundred eighty-five".