297940042 has 16 divisors (see below), whose sum is σ = 451325952. Its totient is φ = 147505680.

The previous prime is 297940033. The next prime is 297940057. The reversal of 297940042 is 240049792.

It is a junction number, because it is equal to n+sod(n) for n = 297939983 and 297940010.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 86167 + ... + 89557.

It is an arithmetic number, because the mean of its divisors is an integer number (28207872).

Almost surely, 2^297940042 is an apocalyptic number.

297940042 is a deficient number, since it is larger than the sum of its proper divisors (153385910).

297940042 is a wasteful number, since it uses less digits than its factorization.

297940042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 297940042 is about 17260.9397774281. The cubic root of 297940042 is about 667.8972032167.

The spelling of 297940042 in words is "two hundred ninety-seven million, nine hundred forty thousand, forty-two".