1948049 has 2 divisors, whose sum is σ = 1948050. Its totient is φ = 1948048.

The previous prime is 1948043. The next prime is 1948069. The reversal of 1948049 is 9408491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1803649 + 144400 = 1343^2 + 380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1948049 - 2²⁰ = 899473 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1948043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974024 + 974025.

It is an arithmetic number, because the mean of its divisors is an integer number (974025).

2^1948049 is an apocalyptic number.

It is an amenable number.

1948049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1948049 is an equidigital number, since it uses as much as digits as its factorization.

1948049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1948049 is about 1395.7252594977. The cubic root of 1948049 is about 124.8916180540.

The spelling of 1948049 in words is "one million, nine hundred forty-eight thousand, forty-nine".