239028836 has 6 divisors (see below), whose sum is σ = 418300470. Its totient is φ = 119514416.

The previous prime is 239028833. The next prime is 239028841. The reversal of 239028836 is 638820932.

It can be written as a sum of positive squares in only one way, i.e., 163686436 + 75342400 = 12794^2 + 8680^2 .

It is a junction number, because it is equal to n+sod(n) for n = 239028793 and 239028802.

It is not an unprimeable number, because it can be changed into a prime (239028833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29878601 + ... + 29878608.

It is an arithmetic number, because the mean of its divisors is an integer number (69716745).

Almost surely, 2^239028836 is an apocalyptic number.

It is an amenable number.

239028836 is a deficient number, since it is larger than the sum of its proper divisors (179271634).

239028836 is a wasteful number, since it uses less digits than its factorization.

239028836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59757213 (or 59757211 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 239028836 is about 15460.5574285017. The cubic root of 239028836 is about 620.6071367951.

The spelling of 239028836 in words is "two hundred thirty-nine million, twenty-eight thousand, eight hundred thirty-six".