2049977 has 2 divisors, whose sum is σ = 2049978. Its totient is φ = 2049976.

The previous prime is 2049973. The next prime is 2049991. The reversal of 2049977 is 7799402.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2027776 + 22201 = 1424^2 + 149^2 .

It is a cyclic number.

It is not a de Polignac number, because 2049977 - 2² = 2049973 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2049977.

It is not a weakly prime, because it can be changed into another prime (2049973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024988 + 1024989.

It is an arithmetic number, because the mean of its divisors is an integer number (1024989).

2^2049977 is an apocalyptic number.

It is an amenable number.

2049977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049977 is an equidigital number, since it uses as much as digits as its factorization.

2049977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 2049977 is about 1431.7740743567. The cubic root of 2049977 is about 127.0329341912.

The spelling of 2049977 in words is "two million, forty-nine thousand, nine hundred seventy-seven".