238370479 has 2 divisors, whose sum is σ = 238370480. Its totient is φ = 238370478.

The previous prime is 238370453. The next prime is 238370507. The reversal of 238370479 is 974073832.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238370479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238370179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119185239 + 119185240.

It is an arithmetic number, because the mean of its divisors is an integer number (119185240).

Almost surely, 2^238370479 is an apocalyptic number.

238370479 is a deficient number, since it is larger than the sum of its proper divisors (1).

238370479 is an equidigital number, since it uses as much as digits as its factorization.

238370479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 238370479 is about 15439.2512447981. The cubic root of 238370479 is about 620.0368335731.

The spelling of 238370479 in words is "two hundred thirty-eight million, three hundred seventy thousand, four hundred seventy-nine".