4085156 has 6 divisors (see below), whose sum is σ = 7149030. Its totient is φ = 2042576.

The previous prime is 4085119. The next prime is 4085167. The reversal of 4085156 is 6515804.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3182656 + 902500 = 1784^2 + 950^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510641 + ... + 510648.

It is an arithmetic number, because the mean of its divisors is an integer number (1191505).

Almost surely, 2^4085156 is an apocalyptic number.

It is an amenable number.

4085156 is a deficient number, since it is larger than the sum of its proper divisors (3063874).

4085156 is a wasteful number, since it uses less digits than its factorization.

4085156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021293 (or 1021291 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 4085156 is about 2021.1768848866. The cubic root of 4085156 is about 159.8586772944.

The spelling of 4085156 in words is "four million, eighty-five thousand, one hundred fifty-six".