1904087 has 2 divisors, whose sum is σ = 1904088. Its totient is φ = 1904086.

The previous prime is 1904069. The next prime is 1904093. The reversal of 1904087 is 7804091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1904087 - 2¹⁰ = 1903063 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 (1904027) 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, 952043 + 952044.

It is an arithmetic number, because the mean of its divisors is an integer number (952044).

2^1904087 is an apocalyptic number.

1904087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1904087 is an equidigital number, since it uses as much as digits as its factorization.

1904087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 1904087 is about 1379.8865895428. The cubic root of 1904087 is about 123.9449764547.

The spelling of 1904087 in words is "one million, nine hundred four thousand, eighty-seven".