1772806 has 16 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 753480.

The previous prime is 1772801. The next prime is 1772809. The reversal of 1772806 is 6082771.

It is a happy number.

It is a super-2 number, since 2×1772806² = 6285682227272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1772801) 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, 1491 + ... + 2401.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

2^1772806 is an apocalyptic number.

1772806 is a deficient number, since it is larger than the sum of its proper divisors (1291514).

1772806 is a wasteful number, since it uses less digits than its factorization.

1772806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1772806 is about 1331.4676113222. The cubic root of 1772806 is about 121.0283384210.

The spelling of 1772806 in words is "one million, seven hundred seventy-two thousand, eight hundred six".