238560479 has 4 divisors (see below), whose sum is σ = 239558880. Its totient is φ = 237562080.

The previous prime is 238560437. The next prime is 238560481. The reversal of 238560479 is 974065832.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238560479 is a prime.

It is a super-2 number, since 2×238560479² = 113822204281418882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238566479) 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, 498842 + ... + 499319.

It is an arithmetic number, because the mean of its divisors is an integer number (59889720).

Almost surely, 2^238560479 is an apocalyptic number.

238560479 is a deficient number, since it is larger than the sum of its proper divisors (998401).

238560479 is an equidigital number, since it uses as much as digits as its factorization.

238560479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998400.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 238560479 is about 15445.4031672857. The cubic root of 238560479 is about 620.2015291795.

The spelling of 238560479 in words is "two hundred thirty-eight million, five hundred sixty thousand, four hundred seventy-nine".