348687684 has 36 divisors (see below), whose sum is σ = 882431004. Its totient is φ = 116093952.

The previous prime is 348687673. The next prime is 348687701. The reversal of 348687684 is 486786843.

348687684 is a `hidden beast` number, since 3 + 486 + 87 + 6 + 84 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16646400 + 332041284 = 4080^2 + 18222^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 348687684.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28564 + ... + 38900.

Almost surely, 2^348687684 is an apocalyptic number.

It is an amenable number.

348687684 is an abundant number, since it is smaller than the sum of its proper divisors (533743320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

348687684 is a wasteful number, since it uses less digits than its factorization.

348687684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11284 (or 11279 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The square root of 348687684 is about 18673.1808752553. The cubic root of 348687684 is about 703.8479812300.

The spelling of 348687684 in words is "three hundred forty-eight million, six hundred eighty-seven thousand, six hundred eighty-four".