236680049 has 4 divisors (see below), whose sum is σ = 244841460. Its totient is φ = 228518640.

The previous prime is 236680043. The next prime is 236680079. The reversal of 236680049 is 940086632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105165025 + 131515024 = 10255^2 + 11468^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-236680049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 236679994 and 236680021.

It is not an unprimeable number, because it can be changed into a prime (236680043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4080662 + ... + 4080719.

It is an arithmetic number, because the mean of its divisors is an integer number (61210365).

Almost surely, 2^236680049 is an apocalyptic number.

236680049 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

236680049 is a deficient number, since it is larger than the sum of its proper divisors (8161411).

236680049 is an equidigital number, since it uses as much as digits as its factorization.

236680049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8161410.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 236680049 is about 15384.4092834272. The cubic root of 236680049 is about 618.5676691077.

The spelling of 236680049 in words is "two hundred thirty-six million, six hundred eighty thousand, forty-nine".