297189042 has 16 divisors (see below), whose sum is σ = 614874240. Its totient is φ = 95646992.

The previous prime is 297189041. The next prime is 297189047. The reversal of 297189042 is 240981792.

It is a junction number, because it is equal to n+sod(n) for n = 297188985 and 297189003.

It is not an unprimeable number, because it can be changed into a prime (297189041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853818 + ... + 854165.

It is an arithmetic number, because the mean of its divisors is an integer number (38429640).

Almost surely, 2^297189042 is an apocalyptic number.

297189042 is an abundant number, since it is smaller than the sum of its proper divisors (317685198).

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

297189042 is a wasteful number, since it uses less digits than its factorization.

297189042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708017.

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

The square root of 297189042 is about 17239.1717318437. The cubic root of 297189042 is about 667.3355546034.

The spelling of 297189042 in words is "two hundred ninety-seven million, one hundred eighty-nine thousand, forty-two".