1766226 has 32 divisors (see below), whose sum is σ = 4405248. Its totient is φ = 458640.

The previous prime is 1766209. The next prime is 1766227. The reversal of 1766226 is 6226671.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nude number because it is divisible by every one of its digits.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1766193 and 1766202.

It is not an unprimeable number, because it can be changed into a prime (1766227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1450 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (137664).

2^1766226 is an apocalyptic number.

1766226 is an abundant number, since it is smaller than the sum of its proper divisors (2639022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1766226 is a wasteful number, since it uses less digits than its factorization.

1766226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846.

The product of its digits is 6048, while the sum is 30.

The square root of 1766226 is about 1328.9943566472. The cubic root of 1766226 is about 120.8784153092.

The spelling of 1766226 in words is "one million, seven hundred sixty-six thousand, two hundred twenty-six".