385820002 has 16 divisors (see below), whose sum is σ = 599155200. Its totient is φ = 186112080.

The previous prime is 385819999. The next prime is 385820003. The reversal of 385820002 is 200028583.

It is not an unprimeable number, because it can be changed into a prime (385820003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 128377 + ... + 131347.

It is an arithmetic number, because the mean of its divisors is an integer number (37447200).

Almost surely, 2^385820002 is an apocalyptic number.

385820002 is a deficient number, since it is larger than the sum of its proper divisors (213335198).

385820002 is a wasteful number, since it uses less digits than its factorization.

385820002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 385820002 is about 19642.3013417471. The cubic root of 385820002 is about 727.9947482312.

Adding to 385820002 its reverse (200028583), we get a palindrome (585848585).

The spelling of 385820002 in words is "three hundred eighty-five million, eight hundred twenty thousand, two".