4161826 has 4 divisors (see below), whose sum is σ = 6242742. Its totient is φ = 2080912.

The previous prime is 4161823. The next prime is 4161851. The reversal of 4161826 is 6281614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6281614 = 2 ⋅3140807.

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 720801 = 1855^2 + 849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4161794 and 4161803.

It is not an unprimeable number, because it can be changed into a prime (4161823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040455 + ... + 1040458.

Almost surely, 2^4161826 is an apocalyptic number.

4161826 is a deficient number, since it is larger than the sum of its proper divisors (2080916).

4161826 is a wasteful number, since it uses less digits than its factorization.

4161826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080915.

The product of its digits is 2304, while the sum is 28.

The square root of 4161826 is about 2040.0553914049. The cubic root of 4161826 is about 160.8525584566.

The spelling of 4161826 in words is "four million, one hundred sixty-one thousand, eight hundred twenty-six".