1790055 has 12 divisors (see below), whose sum is σ = 3102840. Its totient is φ = 954672.

The previous prime is 1790053. The next prime is 1790059. The reversal of 1790055 is 5500971.

It is not a de Polignac number, because 1790055 - 2¹ = 1790053 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1790051) 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, 19845 + ... + 19934.

It is an arithmetic number, because the mean of its divisors is an integer number (258570).

2^1790055 is an apocalyptic number.

1790055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1790055 is a deficient number, since it is larger than the sum of its proper divisors (1312785).

1790055 is a wasteful number, since it uses less digits than its factorization.

1790055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39790 (or 39787 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 1790055 is about 1337.9293703331. The cubic root of 1790055 is about 121.4195982824.

It can be divided in two parts, 17900 and 55, that added together give a triangular number (17955 = T₁₈₉).

The spelling of 1790055 in words is "one million, seven hundred ninety thousand, fifty-five".