1840055 has 16 divisors (see below), whose sum is σ = 2657280. Its totient is φ = 1194912.

The previous prime is 1840051. The next prime is 1840057. The reversal of 1840055 is 5500481.

It is a cyclic number.

It is not a de Polignac number, because 1840055 - 2² = 1840051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1840055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840051) 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, 719 + ... + 2048.

It is an arithmetic number, because the mean of its divisors is an integer number (166080).

2^1840055 is an apocalyptic number.

1840055 is a deficient number, since it is larger than the sum of its proper divisors (817225).

1840055 is a wasteful number, since it uses less digits than its factorization.

1840055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1840055 is about 1356.4862697425. The cubic root of 1840055 is about 122.5397344377.

The spelling of 1840055 in words is "one million, eight hundred forty thousand, fifty-five".