1904093 has 2 divisors, whose sum is σ = 1904094. Its totient is φ = 1904092.

The previous prime is 1904087. The next prime is 1904099. The reversal of 1904093 is 3904091.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1904087) and next prime (1904099).

It can be written as a sum of positive squares in only one way, i.e., 1570009 + 334084 = 1253^2 + 578^2 .

It is a cyclic number.

It is not a de Polignac number, because 1904093 - 2⁶ = 1904029 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1904099) 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 as a sum of consecutive naturals, namely, 952046 + 952047.

It is an arithmetic number, because the mean of its divisors is an integer number (952047).

2^1904093 is an apocalyptic number.

It is an amenable number.

1904093 is a deficient number, since it is larger than the sum of its proper divisors (1).

1904093 is an equidigital number, since it uses as much as digits as its factorization.

1904093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 1904093 is about 1379.8887636328. Note that the first 3 decimals coincide. The cubic root of 1904093 is about 123.9451066429.

The spelling of 1904093 in words is "one million, nine hundred four thousand, ninety-three".