1006906 has 4 divisors (see below), whose sum is σ = 1510362. Its totient is φ = 503452.

The previous prime is 1006897. The next prime is 1006933. The reversal of 1006906 is 6096001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 826281 + 180625 = 909^2 + 425^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251725 + ... + 251728.

2^1006906 is an apocalyptic number.

1006906 is a deficient number, since it is larger than the sum of its proper divisors (503456).

1006906 is an equidigital number, since it uses as much as digits as its factorization.

1006906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503455.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1006906 is about 1003.4470588925. The cubic root of 1006906 is about 100.2296721034.

The spelling of 1006906 in words is "one million, six thousand, nine hundred six".