94439047 has 2 divisors, whose sum is σ = 94439048. Its totient is φ = 94439046.

The previous prime is 94439039. The next prime is 94439069. The reversal of 94439047 is 74093449.

It is a weak prime.

It is an emirp because it is prime and its reverse (74093449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94439047 - 2³ = 94439039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94439087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47219523 + 47219524.

It is an arithmetic number, because the mean of its divisors is an integer number (47219524).

Almost surely, 2^94439047 is an apocalyptic number.

94439047 is a deficient number, since it is larger than the sum of its proper divisors (1).

94439047 is an equidigital number, since it uses as much as digits as its factorization.

94439047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 94439047 is about 9717.9754578822. The cubic root of 94439047 is about 455.3903939208.

The spelling of 94439047 in words is "ninety-four million, four hundred thirty-nine thousand, forty-seven".