1940055 has 16 divisors (see below), whose sum is σ = 3343200. Its totient is φ = 955008.

The previous prime is 1940053. The next prime is 1940069. The reversal of 1940055 is 5500491.

It is not a de Polignac number, because 1940055 - 2¹ = 1940053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1940053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4780 + ... + 5169.

It is an arithmetic number, because the mean of its divisors is an integer number (208950).

2^1940055 is an apocalyptic number.

1940055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1940055 is a deficient number, since it is larger than the sum of its proper divisors (1403145).

1940055 is a wasteful number, since it uses less digits than its factorization.

1940055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9970.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 1940055 is about 1392.8585714278. The cubic root of 1940055 is about 124.7205490563.

The spelling of 1940055 in words is "one million, nine hundred forty thousand, fifty-five".