297141985 has 16 divisors (see below), whose sum is σ = 413594496. Its totient is φ = 200711808.

The previous prime is 297141967. The next prime is 297142019. The reversal of 297141985 is 589141792.

It is a cyclic number.

It is not a de Polignac number, because 297141985 - 2⁵ = 297141953 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61012 + ... + 65701.

It is an arithmetic number, because the mean of its divisors is an integer number (25849656).

Almost surely, 2^297141985 is an apocalyptic number.

It is an amenable number.

297141985 is a deficient number, since it is larger than the sum of its proper divisors (116452511).

297141985 is a wasteful number, since it uses less digits than its factorization.

297141985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126792.

The product of its digits is 181440, while the sum is 46.

The square root of 297141985 is about 17237.8068500607. The cubic root of 297141985 is about 667.3003307084.

The spelling of 297141985 in words is "two hundred ninety-seven million, one hundred forty-one thousand, nine hundred eighty-five".