389088136936436 has 48 divisors (see below), whose sum is σ = 803997875745792. Its totient is φ = 161228489644800.

The previous prime is 389088136936427. The next prime is 389088136936463. The reversal of 389088136936436 is 634639631880983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199683185 + ... + 201622296.

It is an arithmetic number, because the mean of its divisors is an integer number (16749955744704).

Almost surely, 2^{389088136936436} is an apocalyptic number.

It is an amenable number.

389088136936436 is an abundant number, since it is smaller than the sum of its proper divisors (414909738809356).

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

389088136936436 is a wasteful number, since it uses less digits than its factorization.

389088136936436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401306640 (or 401306638 counting only the distinct ones).

The product of its (nonzero) digits is 2902376448, while the sum is 77.

The spelling of 389088136936436 in words is "three hundred eighty-nine trillion, eighty-eight billion, one hundred thirty-six million, nine hundred thirty-six thousand, four hundred thirty-six".