43163028 has 18 divisors (see below), whose sum is σ = 109106634. Its totient is φ = 14387664.

The previous prime is 43163027. The next prime is 43163033. The reversal of 43163028 is 82036134.

It is a happy number.

43163028 is a `hidden beast` number, since 4 + 3 + 1 + 630 + 28 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33315984 + 9847044 = 5772^2 + 3138^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×43163028² = 3726093972257568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43162992 and 43163010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43163023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 599451 + ... + 599522.

Almost surely, 2^43163028 is an apocalyptic number.

It is an amenable number.

43163028 is an abundant number, since it is smaller than the sum of its proper divisors (65943606).

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

43163028 is a wasteful number, since it uses less digits than its factorization.

43163028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198983 (or 1198978 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 43163028 is about 6569.8575327019. The cubic root of 43163028 is about 350.7820011421.

The spelling of 43163028 in words is "forty-three million, one hundred sixty-three thousand, twenty-eight".