389999996874028 has 24 divisors (see below), whose sum is σ = 700279474348944. Its totient is φ = 189935563910400.

The previous prime is 389999996874011. The next prime is 389999996874029. The reversal of 389999996874028 is 820478699999983.

It is not an unprimeable number, because it can be changed into a prime (389999996874029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1927004778 + ... + 1927207153.

It is an arithmetic number, because the mean of its divisors is an integer number (29178311431206).

Almost surely, 2^{389999996874028} is an apocalyptic number.

It is an amenable number.

389999996874028 is a deficient number, since it is larger than the sum of its proper divisors (310279477474916).

389999996874028 is a wasteful number, since it uses less digits than its factorization.

389999996874028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854212593 (or 3854212591 counting only the distinct ones).

The product of its (nonzero) digits is 274274574336, while the sum is 100.

The spelling of 389999996874028 in words is "three hundred eighty-nine trillion, nine hundred ninety-nine billion, nine hundred ninety-six million, eight hundred seventy-four thousand, twenty-eight".