1790406 has 24 divisors (see below), whose sum is σ = 4108104. Its totient is φ = 561600.

The previous prime is 1790401. The next prime is 1790417. The reversal of 1790406 is 6040971.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1790406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1790401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2620 + ... + 3231.

It is an arithmetic number, because the mean of its divisors is an integer number (171171).

2^1790406 is an apocalyptic number.

1790406 is an abundant number, since it is smaller than the sum of its proper divisors (2317698).

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

1790406 is a wasteful number, since it uses less digits than its factorization.

1790406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5876 (or 5873 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1790406 is about 1338.0605367471. The cubic root of 1790406 is about 121.4275338847.

The spelling of 1790406 in words is "one million, seven hundred ninety thousand, four hundred six".