4389856164 has 36 divisors (see below), whose sum is σ = 11113896976. Its totient is φ = 1461001968.

The previous prime is 4389856117. The next prime is 4389856271. The reversal of 4389856164 is 4616589834.

4389856164 is a `hidden beast` number, since 438 + 98 + 5 + 61 + 64 = 666.

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

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 4389856164.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71674 + ... + 117969.

Almost surely, 2^4389856164 is an apocalyptic number.

It is an amenable number.

4389856164 is an abundant number, since it is smaller than the sum of its proper divisors (6724040812).

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

4389856164 is a wasteful number, since it uses less digits than its factorization.

4389856164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190296 (or 190291 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 4389856164 is about 66255.9896462199. The cubic root of 4389856164 is about 1637.3823206537.

The spelling of 4389856164 in words is "four billion, three hundred eighty-nine million, eight hundred fifty-six thousand, one hundred sixty-four".