3884615421 has 8 divisors (see below), whose sum is σ = 5220271104. Its totient is φ = 2569351680.

The previous prime is 3884615369. The next prime is 3884615437. The reversal of 3884615421 is 1245164883.

It is a happy number.

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

It is not a de Polignac number, because 3884615421 - 2¹⁰ = 3884614397 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3884614421) 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, 5097540 + ... + 5098301.

It is an arithmetic number, because the mean of its divisors is an integer number (652533888).

Almost surely, 2^3884615421 is an apocalyptic number.

It is an amenable number.

3884615421 is a deficient number, since it is larger than the sum of its proper divisors (1335655683).

3884615421 is a wasteful number, since it uses less digits than its factorization.

3884615421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10195971.

The product of its digits is 184320, while the sum is 42.

The square root of 3884615421 is about 62326.6830579007. The cubic root of 3884615421 is about 1571.9884228731.

The spelling of 3884615421 in words is "three billion, eight hundred eighty-four million, six hundred fifteen thousand, four hundred twenty-one".