1671226 has 16 divisors (see below), whose sum is σ = 2674944. Its totient is φ = 781264.

The previous prime is 1671223. The next prime is 1671227. The reversal of 1671226 is 6221761.

It is an Ulam number.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 1671226.

It is not an unprimeable number, because it can be changed into a prime (1671223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1776 + ... + 2548.

It is an arithmetic number, because the mean of its divisors is an integer number (167184).

2^1671226 is an apocalyptic number.

1671226 is a deficient number, since it is larger than the sum of its proper divisors (1003718).

1671226 is a wasteful number, since it uses less digits than its factorization.

1671226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

The product of its digits is 1008, while the sum is 25.

The square root of 1671226 is about 1292.7590649460. The cubic root of 1671226 is about 118.6711254619.

Adding to 1671226 its reverse (6221761), we get a palindrome (7892987).

The spelling of 1671226 in words is "one million, six hundred seventy-one thousand, two hundred twenty-six".