389823971802 has 32 divisors (see below), whose sum is σ = 781155092160. Its totient is φ = 129690286080.

The previous prime is 389823971753. The next prime is 389823971821. The reversal of 389823971802 is 208179328983.

It is a super-2 number, since 2×389823971802² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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, 11170593 + ... + 11205435.

It is an arithmetic number, because the mean of its divisors is an integer number (24411096630).

Almost surely, 2^389823971802 is an apocalyptic number.

389823971802 is an abundant number, since it is smaller than the sum of its proper divisors (391331120358).

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

389823971802 is a wasteful number, since it uses less digits than its factorization.

389823971802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38398.

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 389823971802 in words is "three hundred eighty-nine billion, eight hundred twenty-three million, nine hundred seventy-one thousand, eight hundred two".