386021145636 has 135 divisors (see below), whose sum is σ = 1174130458347. Its totient is φ = 110269388880.

The previous prime is 386021145617. The next prime is 386021145637. The reversal of 386021145636 is 636541120683.

The square root of 386021145636 is 621306.

It is a perfect power (a square), and thus also a powerful number.

386021145636 is a `hidden beast` number, since 3 + 8 + 6 + 0 + 2 + 1 + 1 + 4 + 5 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 386021145591 and 386021145600.

It is not an unprimeable number, because it can be changed into a prime (386021145637) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 78282091 + ... + 78287021.

Almost surely, 2^386021145636 is an apocalyptic number.

386021145636 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

386021145636 is the 621306-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386021145636

386021145636 is an abundant number, since it is smaller than the sum of its proper divisors (788109312711).

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

386021145636 is an frugal number, since it uses more digits than its factorization.

386021145636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9892 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 386021145636 in words is "three hundred eighty-six billion, twenty-one million, one hundred forty-five thousand, six hundred thirty-six".