1622706 has 8 divisors (see below), whose sum is σ = 3245424. Its totient is φ = 540900.

The previous prime is 1622693. The next prime is 1622707. The reversal of 1622706 is 6072261.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1622706 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1622707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135220 + ... + 135231.

It is an arithmetic number, because the mean of its divisors is an integer number (405678).

2^1622706 is an apocalyptic number.

1622706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1622706 is a wasteful number, since it uses less digits than its factorization.

1622706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270456.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1622706 is about 1273.8547797924. The cubic root of 1622706 is about 117.5113856479.

Adding to 1622706 its reverse (6072261), we get a palindrome (7694967).

It can be divided in two parts, 16 and 22706, that added together give a palindrome (22722).

The spelling of 1622706 in words is "one million, six hundred twenty-two thousand, seven hundred six".