239241397 has 2 divisors, whose sum is σ = 239241398. Its totient is φ = 239241396.

The previous prime is 239241341. The next prime is 239241461. The reversal of 239241397 is 793142932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221592996 + 17648401 = 14886^2 + 4201^2 .

It is a cyclic number.

It is not a de Polignac number, because 239241397 - 2⁷ = 239241269 is a prime.

It is a super-3 number, since 3×239241397³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239241307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119620698 + 119620699.

It is an arithmetic number, because the mean of its divisors is an integer number (119620699).

Almost surely, 2^239241397 is an apocalyptic number.

It is an amenable number.

239241397 is a deficient number, since it is larger than the sum of its proper divisors (1).

239241397 is an equidigital number, since it uses as much as digits as its factorization.

239241397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 239241397 is about 15467.4302002627. The cubic root of 239241397 is about 620.7910445778.

The spelling of 239241397 in words is "two hundred thirty-nine million, two hundred forty-one thousand, three hundred ninety-seven".