297891042 has 8 divisors (see below), whose sum is σ = 595782096. Its totient is φ = 99297012.

The previous prime is 297891037. The next prime is 297891043. The reversal of 297891042 is 240198792.

It is a sphenic number, since it is the product of 3 distinct primes.

297891042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 297890985 and 297891003.

It is not an unprimeable number, because it can be changed into a prime (297891043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24824248 + ... + 24824259.

It is an arithmetic number, because the mean of its divisors is an integer number (74472762).

Almost surely, 2^297891042 is an apocalyptic number.

297891042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

297891042 is a wasteful number, since it uses less digits than its factorization.

297891042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49648512.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 297891042 is about 17259.5203293718. The cubic root of 297891042 is about 667.8605865012.

The spelling of 297891042 in words is "two hundred ninety-seven million, eight hundred ninety-one thousand, forty-two".