1790906 has 8 divisors (see below), whose sum is σ = 2893044. Its totient is φ = 826560.

The previous prime is 1790897. The next prime is 1790917. The reversal of 1790906 is 6090971.

It can be written as a sum of positive squares in 2 ways, for example, as 1288225 + 502681 = 1135^2 + 709^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 34415 + ... + 34466.

2^1790906 is an apocalyptic number.

1790906 is a deficient number, since it is larger than the sum of its proper divisors (1102138).

1790906 is a wasteful number, since it uses less digits than its factorization.

1790906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68896.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 1790906 is about 1338.2473612901. The cubic root of 1790906 is about 121.4388363707.

The spelling of 1790906 in words is "one million, seven hundred ninety thousand, nine hundred six".