385862107684 has 81 divisors (see below), whose sum is σ = 717426883089. Its totient is φ = 181582752960.

The previous prime is 385862107649. The next prime is 385862107693. The reversal of 385862107684 is 486701268583.

It is a happy number.

The square root of 385862107684 is 621178.

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., 78360804900 + 307501302784 = 279930^2 + 554528^2 .

It is a super-2 number, since 2×385862107684² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1656060432 + ... + 1656060664.

Almost surely, 2^385862107684 is an apocalyptic number.

385862107684 is the 621178-th square number.

It is an amenable number.

385862107684 is a deficient number, since it is larger than the sum of its proper divisors (331564775405).

385862107684 is an equidigital number, since it uses as much as digits as its factorization.

385862107684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 385862107684 in words is "three hundred eighty-five billion, eight hundred sixty-two million, one hundred seven thousand, six hundred eighty-four".