3934161 has 36 divisors (see below), whose sum is σ = 7220304. Its totient is φ = 2041200.

The previous prime is 3934153. The next prime is 3934187. The reversal of 3934161 is 1614393.

3934161 = 259² + 260² + ... + 307².

3934161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3934161 - 2³ = 3934153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3934261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4446 + ... + 5256.

It is an arithmetic number, because the mean of its divisors is an integer number (200564).

Almost surely, 2^3934161 is an apocalyptic number.

It is an amenable number.

3934161 is a deficient number, since it is larger than the sum of its proper divisors (3286143).

3934161 is a wasteful number, since it uses less digits than its factorization.

3934161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842 (or 832 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 3934161 is about 1983.4719559399. The cubic root of 3934161 is about 157.8643417106.

It can be divided in two parts, 3934 and 161, that added together give a triangular number (4095 = T₉₀).

The spelling of 3934161 in words is "three million, nine hundred thirty-four thousand, one hundred sixty-one".