4139168 has 36 divisors (see below), whose sum is σ = 8965530. Its totient is φ = 1879680.

The previous prime is 4139159. The next prime is 4139171. The reversal of 4139168 is 8619314.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3579664 + 559504 = 1892^2 + 748^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3338 + ... + 4406.

Almost surely, 2^4139168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4139168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4482765).

4139168 is an abundant number, since it is smaller than the sum of its proper divisors (4826362).

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

4139168 is a wasteful number, since it uses less digits than its factorization.

4139168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1082 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 4139168 is about 2034.4945318187. The cubic root of 4139168 is about 160.5601202037.

The spelling of 4139168 in words is "four million, one hundred thirty-nine thousand, one hundred sixty-eight".