386448396421 has 16 divisors (see below), whose sum is σ = 409796022528. Its totient is φ = 363169497600.

The previous prime is 386448396413. The next prime is 386448396443. The reversal of 386448396421 is 124693844683.

It is a cyclic number.

It is not a de Polignac number, because 386448396421 - 2³ = 386448396413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386448396461) 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 15 ways as a sum of consecutive naturals, for example, 65708401 + ... + 65714281.

It is an arithmetic number, because the mean of its divisors is an integer number (25612251408).

Almost surely, 2^386448396421 is an apocalyptic number.

It is an amenable number.

386448396421 is a deficient number, since it is larger than the sum of its proper divisors (23347626107).

386448396421 is a wasteful number, since it uses less digits than its factorization.

386448396421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11052.

The product of its digits is 23887872, while the sum is 58.

The spelling of 386448396421 in words is "three hundred eighty-six billion, four hundred forty-eight million, three hundred ninety-six thousand, four hundred twenty-one".