239677069 has 4 divisors (see below), whose sum is σ = 239721120. Its totient is φ = 239633020.

The previous prime is 239677051. The next prime is 239677091. The reversal of 239677069 is 960776932.

239677069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 239677069 - 2²¹ = 237579917 is a prime.

It is a super-2 number, since 2×239677069² = 114890194808861522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239677019) 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, 12487 + ... + 25204.

It is an arithmetic number, because the mean of its divisors is an integer number (59930280).

Almost surely, 2^239677069 is an apocalyptic number.

It is an amenable number.

239677069 is a deficient number, since it is larger than the sum of its proper divisors (44051).

239677069 is an equidigital number, since it uses as much as digits as its factorization.

239677069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44050.

The product of its (nonzero) digits is 857304, while the sum is 49.

The square root of 239677069 is about 15481.5073232551. The cubic root of 239677069 is about 621.1676478333.

The spelling of 239677069 in words is "two hundred thirty-nine million, six hundred seventy-seven thousand, sixty-nine".