297240939 has 12 divisors (see below), whose sum is σ = 439820472. Its totient is φ = 193327200.

The previous prime is 297240913. The next prime is 297240941. The reversal of 297240939 is 939042792.

It is not a de Polignac number, because 297240939 - 2⁸ = 297240683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 297240894 and 297240903.

It is not an unprimeable number, because it can be changed into a prime (297240949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402397 + ... + 403134.

It is an arithmetic number, because the mean of its divisors is an integer number (36651706).

Almost surely, 2^297240939 is an apocalyptic number.

297240939 is a deficient number, since it is larger than the sum of its proper divisors (142579533).

297240939 is a wasteful number, since it uses less digits than its factorization.

297240939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805578 (or 805575 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 297240939 is about 17240.6768718632. The cubic root of 297240939 is about 667.3743971050.

The spelling of 297240939 in words is "two hundred ninety-seven million, two hundred forty thousand, nine hundred thirty-nine".