239105953 has 4 divisors (see below), whose sum is σ = 249501888. Its totient is φ = 228710020.

The previous prime is 239105941. The next prime is 239105959. The reversal of 239105953 is 359501932.

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 239105953 - 2⁵ = 239105921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (239105959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5197933 + ... + 5197978.

It is an arithmetic number, because the mean of its divisors is an integer number (62375472).

Almost surely, 2^239105953 is an apocalyptic number.

239105953 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

239105953 is a deficient number, since it is larger than the sum of its proper divisors (10395935).

239105953 is a wasteful number, since it uses less digits than its factorization.

239105953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10395934.

The product of its (nonzero) digits is 36450, while the sum is 37.

The square root of 239105953 is about 15463.0512189542. The cubic root of 239105953 is about 620.6738710232.

The spelling of 239105953 in words is "two hundred thirty-nine million, one hundred five thousand, nine hundred fifty-three".