997286449 has 2 divisors, whose sum is σ = 997286450. Its totient is φ = 997286448.

The previous prime is 997286429. The next prime is 997286483. The reversal of 997286449 is 944682799.

997286449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 614692849 + 382593600 = 24793^2 + 19560^2 .

It is a cyclic number.

It is not a de Polignac number, because 997286449 - 2⁷ = 997286321 is a prime.

It is a super-2 number, since 2×997286449² = 1989160522718059202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 997286393 and 997286402.

It is not a weakly prime, because it can be changed into another prime (997286429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498643224 + 498643225.

It is an arithmetic number, because the mean of its divisors is an integer number (498643225).

Almost surely, 2^997286449 is an apocalyptic number.

It is an amenable number.

997286449 is a deficient number, since it is larger than the sum of its proper divisors (1).

997286449 is an equidigital number, since it uses as much as digits as its factorization.

997286449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7838208, while the sum is 58.

The square root of 997286449 is about 31579.8424473587. The cubic root of 997286449 is about 999.0946636134.

The spelling of 997286449 in words is "nine hundred ninety-seven million, two hundred eighty-six thousand, four hundred forty-nine".