1992049 has 2 divisors, whose sum is σ = 1992050. Its totient is φ = 1992048.

The previous prime is 1992041. The next prime is 1992073. The reversal of 1992049 is 9402991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1440000 + 552049 = 1200^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1992049 - 2³ = 1992041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1992041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996024 + 996025.

It is an arithmetic number, because the mean of its divisors is an integer number (996025).

2^1992049 is an apocalyptic number.

It is an amenable number.

1992049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1992049 is an equidigital number, since it uses as much as digits as its factorization.

1992049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 1992049 is about 1411.3996599121. The cubic root of 1992049 is about 125.8249227112.

The spelling of 1992049 in words is "one million, nine hundred ninety-two thousand, forty-nine".