1974055 has 4 divisors (see below), whose sum is σ = 2368872. Its totient is φ = 1579240.

The previous prime is 1974053. The next prime is 1974073. The reversal of 1974055 is 5504791.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1974055 - 2¹ = 1974053 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1974053) 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 3 ways as a sum of consecutive naturals, for example, 197401 + ... + 197410.

It is an arithmetic number, because the mean of its divisors is an integer number (592218).

2^1974055 is an apocalyptic number.

1974055 is a deficient number, since it is larger than the sum of its proper divisors (394817).

1974055 is an equidigital number, since it uses as much as digits as its factorization.

1974055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394816.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1974055 is about 1405.0106761160. The cubic root of 1974055 is about 125.4449211491. Note that the first 3 decimals are identical.

The spelling of 1974055 in words is "one million, nine hundred seventy-four thousand, fifty-five".