94538239 has 2 divisors, whose sum is σ = 94538240. Its totient is φ = 94538238.

The previous prime is 94538233. The next prime is 94538263. The reversal of 94538239 is 93283549.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 94538239 - 2¹⁷ = 94407167 is a prime.

It is a super-2 number, since 2×94538239² = 17874957266442242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 94538195 and 94538204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94538233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47269119 + 47269120.

It is an arithmetic number, because the mean of its divisors is an integer number (47269120).

Almost surely, 2^94538239 is an apocalyptic number.

94538239 is a deficient number, since it is larger than the sum of its proper divisors (1).

94538239 is an equidigital number, since it uses as much as digits as its factorization.

94538239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 43.

The square root of 94538239 is about 9723.0776506207. The cubic root of 94538239 is about 455.5497746000.

The spelling of 94538239 in words is "ninety-four million, five hundred thirty-eight thousand, two hundred thirty-nine".