1790 has 8 divisors (see below), whose sum is σ = 3240. Its totient is φ = 712.

The previous prime is 1789. The next prime is 1801. The reversal of 1790 is 971.

1790 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is an Ulam number.

1790 is strictly pandigital in base 5.

It is a Curzon number.

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80 + ... + 99.

It is an arithmetic number, because the mean of its divisors is an integer number (405).

1790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1790 is a deficient number, since it is larger than the sum of its proper divisors (1450).

1790 is a wasteful number, since it uses less digits than its factorization.

1790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186.

The product of its (nonzero) digits is 63, while the sum is 17.

The square root of 1790 is about 42.3083916026. The cubic root of 1790 is about 12.1418354718.

The spelling of 1790 in words is "one thousand, seven hundred ninety".