84384012438 has 64 divisors (see below), whose sum is σ = 213461568000. Its totient is φ = 24459130080.

The previous prime is 84384012437. The next prime is 84384012443. The reversal of 84384012438 is 83421048348.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 84384012393 and 84384012402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84384012437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3074613 + ... + 3101936.

It is an arithmetic number, because the mean of its divisors is an integer number (3335337000).

Almost surely, 2^84384012438 is an apocalyptic number.

84384012438 is an abundant number, since it is smaller than the sum of its proper divisors (129077555562).

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

84384012438 is a wasteful number, since it uses less digits than its factorization.

84384012438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6176594 (or 6176588 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 84384012438 in words is "eighty-four billion, three hundred eighty-four million, twelve thousand, four hundred thirty-eight".