4156208 has 40 divisors (see below), whose sum is σ = 9427968. Its totient is φ = 1737792.

The previous prime is 4156199. The next prime is 4156213. The reversal of 4156208 is 8026514.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4385 + ... + 5247.

Almost surely, 2^4156208 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 4156208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4713984).

4156208 is an abundant number, since it is smaller than the sum of its proper divisors (5271760).

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

4156208 is a wasteful number, since it uses less digits than its factorization.

4156208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 4156208 is about 2038.6780030206. The cubic root of 4156208 is about 160.7801482056.

The spelling of 4156208 in words is "four million, one hundred fifty-six thousand, two hundred eight".