434161 has 12 divisors (see below), whose sum is σ = 538752. Its totient is φ = 342576.

The previous prime is 434141. The next prime is 434167. The reversal of 434161 is 161434.

It is a happy number.

It is not a de Polignac number, because 434161 - 2¹⁵ = 401393 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434167) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1000 + ... + 1366.

It is an arithmetic number, because the mean of its divisors is an integer number (44896).

2⁴³⁴¹⁶¹ is an apocalyptic number.

It is an amenable number.

434161 is a deficient number, since it is larger than the sum of its proper divisors (104591).

434161 is a wasteful number, since it uses less digits than its factorization.

434161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 387 counting only the distinct ones).

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

The square root of 434161 is about 658.9089466687. The cubic root of 434161 is about 75.7211038292.

Adding to 434161 its reverse (161434), we get a palindrome (595595).

It can be divided in two parts, 434 and 161, that added together give a palindrome (595).

The spelling of 434161 in words is "four hundred thirty-four thousand, one hundred sixty-one".