1870049 has 2 divisors, whose sum is σ = 1870050. Its totient is φ = 1870048.

The previous prime is 1870021. The next prime is 1870067. The reversal of 1870049 is 9400781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849600 + 20449 = 1360^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 1870049 - 2⁸ = 1869793 is a prime.

It is not a weakly prime, because it can be changed into another prime (1870019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 935024 + 935025.

It is an arithmetic number, because the mean of its divisors is an integer number (935025).

2^1870049 is an apocalyptic number.

It is an amenable number.

1870049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1870049 is an equidigital number, since it uses as much as digits as its factorization.

1870049 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 1870049 is about 1367.4973491748. The cubic root of 1870049 is about 123.2019727927.

The spelling of 1870049 in words is "one million, eight hundred seventy thousand, forty-nine".