239236969 has 2 divisors, whose sum is σ = 239236970. Its totient is φ = 239236968.

The previous prime is 239236957. The next prime is 239236973. The reversal of 239236969 is 969632932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 175827600 + 63409369 = 13260^2 + 7963^2 .

It is a cyclic number.

It is not a de Polignac number, because 239236969 - 2¹⁹ = 238712681 is a prime.

It is a super-2 number, since 2×239236969² = 114468654672613922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (239236919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119618484 + 119618485.

It is an arithmetic number, because the mean of its divisors is an integer number (119618485).

Almost surely, 2^239236969 is an apocalyptic number.

It is an amenable number.

239236969 is a deficient number, since it is larger than the sum of its proper divisors (1).

239236969 is an equidigital number, since it uses as much as digits as its factorization.

239236969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 944784, while the sum is 49.

The square root of 239236969 is about 15467.2870601150. The cubic root of 239236969 is about 620.7872145833.

The spelling of 239236969 in words is "two hundred thirty-nine million, two hundred thirty-six thousand, nine hundred sixty-nine".