239084869 has 2 divisors, whose sum is σ = 239084870. Its totient is φ = 239084868.

The previous prime is 239084863. The next prime is 239084897. The reversal of 239084869 is 968480932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137780644 + 101304225 = 11738^2 + 10065^2 .

It is a cyclic number.

It is not a de Polignac number, because 239084869 - 2⁵ = 239084837 is a prime.

It is a super-2 number, since 2×239084869² = 114323149169494322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239084863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119542434 + 119542435.

It is an arithmetic number, because the mean of its divisors is an integer number (119542435).

Almost surely, 2^239084869 is an apocalyptic number.

It is an amenable number.

239084869 is a deficient number, since it is larger than the sum of its proper divisors (1).

239084869 is an equidigital number, since it uses as much as digits as its factorization.

239084869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 239084869 is about 15462.3694497318. The cubic root of 239084869 is about 620.6556271270.

The spelling of 239084869 in words is "two hundred thirty-nine million, eighty-four thousand, eight hundred sixty-nine".