297799066 has 4 divisors (see below), whose sum is σ = 446698602. Its totient is φ = 148899532.

The previous prime is 297798967. The next prime is 297799067. The reversal of 297799066 is 660997792.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 178356025 + 119443041 = 13355^2 + 10929^2 .

It is a junction number, because it is equal to n+sod(n) for n = 297798998 and 297799016.

It is not an unprimeable number, because it can be changed into a prime (297799067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74449765 + ... + 74449768.

Almost surely, 2^297799066 is an apocalyptic number.

297799066 is a deficient number, since it is larger than the sum of its proper divisors (148899536).

297799066 is a wasteful number, since it uses less digits than its factorization.

297799066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148899535.

The product of its (nonzero) digits is 2571912, while the sum is 55.

The square root of 297799066 is about 17256.8556232009. The cubic root of 297799066 is about 667.7918438406.

The spelling of 297799066 in words is "two hundred ninety-seven million, seven hundred ninety-nine thousand, sixty-six".