1802055 has 16 divisors (see below), whose sum is σ = 3035520. Its totient is φ = 910368.

The previous prime is 1802039. The next prime is 1802057. The reversal of 1802055 is 5502081.

1802055 = T₄₂₆ + T₄₂₇ + ... + T₄₄₄.

It is not a de Polignac number, because 1802055 - 2⁴ = 1802039 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 (1802057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2877 + ... + 3446.

It is an arithmetic number, because the mean of its divisors is an integer number (189720).

2^1802055 is an apocalyptic number.

1802055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1802055 is a deficient number, since it is larger than the sum of its proper divisors (1233465).

1802055 is a wasteful number, since it uses less digits than its factorization.

1802055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6350.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1802055 is about 1342.4064213196. The cubic root of 1802055 is about 121.6903146210.

The spelling of 1802055 in words is "one million, eight hundred two thousand, fifty-five".