3684278438 has 8 divisors (see below), whose sum is σ = 5554189200. Its totient is φ = 1832882040.

The previous prime is 3684278413. The next prime is 3684278459. The reversal of 3684278438 is 8348724863.

It is a happy number.

3684278438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3684278438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4628093 + ... + 4628888.

It is an arithmetic number, because the mean of its divisors is an integer number (694273650).

Almost surely, 2^3684278438 is an apocalyptic number.

3684278438 is a deficient number, since it is larger than the sum of its proper divisors (1869910762).

3684278438 is a wasteful number, since it uses less digits than its factorization.

3684278438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9257182.

The product of its digits is 6193152, while the sum is 53.

The square root of 3684278438 is about 60698.2572896455. The cubic root of 3684278438 is about 1544.4866122059.

The spelling of 3684278438 in words is "three billion, six hundred eighty-four million, two hundred seventy-eight thousand, four hundred thirty-eight".