94944809 has 2 divisors, whose sum is σ = 94944810. Its totient is φ = 94944808.

The previous prime is 94944803. The next prime is 94944823. The reversal of 94944809 is 90844949.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74874409 + 20070400 = 8653^2 + 4480^2 .

It is a cyclic number.

It is not a de Polignac number, because 94944809 - 2¹⁶ = 94879273 is a prime.

It is not a weakly prime, because it can be changed into another prime (94944803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47472404 + 47472405.

It is an arithmetic number, because the mean of its divisors is an integer number (47472405).

Almost surely, 2^94944809 is an apocalyptic number.

It is an amenable number.

94944809 is a deficient number, since it is larger than the sum of its proper divisors (1).

94944809 is an equidigital number, since it uses as much as digits as its factorization.

94944809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 94944809 is about 9743.9626949204. The cubic root of 94944809 is about 456.2018846114.

The spelling of 94944809 in words is "ninety-four million, nine hundred forty-four thousand, eight hundred nine".