384913531396 has 27 divisors (see below), whose sum is σ = 677773922581. Its totient is φ = 191271154544.

The previous prime is 384913531391. The next prime is 384913531403. The reversal of 384913531396 is 693135319483.

The square root of 384913531396 is 620414.

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

It can be written as a sum of positive squares in only one way, i.e., 170973980100 + 213939551296 = 413490^2 + 462536^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384913531391) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 222107346 + ... + 222109078.

Almost surely, 2^384913531396 is an apocalyptic number.

384913531396 is the 620414-th square number.

It is an amenable number.

384913531396 is a deficient number, since it is larger than the sum of its proper divisors (292860391185).

384913531396 is an frugal number, since it uses more digits than its factorization.

384913531396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828 (or 1914 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 55.

The spelling of 384913531396 in words is "three hundred eighty-four billion, nine hundred thirteen million, five hundred thirty-one thousand, three hundred ninety-six".