3440161 has 4 divisors (see below), whose sum is σ = 3474324. Its totient is φ = 3406000.

The previous prime is 3440153. The next prime is 3440167. The reversal of 3440161 is 1610443.

It is a happy number.

3440161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1392400 + 2047761 = 1180^2 + 1431^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440161 - 2³ = 3440153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440167) 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 3 ways as a sum of consecutive naturals, for example, 16930 + ... + 17131.

It is an arithmetic number, because the mean of its divisors is an integer number (868581).

Almost surely, 2^3440161 is an apocalyptic number.

It is an amenable number.

3440161 is a deficient number, since it is larger than the sum of its proper divisors (34163).

3440161 is a wasteful number, since it uses less digits than its factorization.

3440161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34162.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3440161 is about 1854.7671012825. The cubic root of 3440161 is about 150.9592012928.

The spelling of 3440161 in words is "three million, four hundred forty thousand, one hundred sixty-one".