8634389364 has 36 divisors (see below), whose sum is σ = 22290201024. Its totient is φ = 2816892432.

The previous prime is 8634389363. The next prime is 8634389399. The reversal of 8634389364 is 4639834368.

8634389364 is a `hidden beast` number, since 8 + 63 + 438 + 93 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8634389364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8634389363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2549842 + ... + 2553225.

Almost surely, 2^8634389364 is an apocalyptic number.

It is an amenable number.

8634389364 is an abundant number, since it is smaller than the sum of its proper divisors (13655811660).

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

8634389364 is a wasteful number, since it uses less digits than its factorization.

8634389364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103124 (or 5103119 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 54.

The square root of 8634389364 is about 92921.4149913786. The cubic root of 8634389364 is about 2051.5268707305.

The spelling of 8634389364 in words is "eight billion, six hundred thirty-four million, three hundred eighty-nine thousand, three hundred sixty-four".