94380409 has 2 divisors, whose sum is σ = 94380410. Its totient is φ = 94380408.

The previous prime is 94380389. The next prime is 94380427. The reversal of 94380409 is 90408349.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70644025 + 23736384 = 8405^2 + 4872^2 .

It is a cyclic number.

It is not a de Polignac number, because 94380409 - 2¹³ = 94372217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94380449) 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, 47190204 + 47190205.

It is an arithmetic number, because the mean of its divisors is an integer number (47190205).

Almost surely, 2^94380409 is an apocalyptic number.

It is an amenable number.

94380409 is a deficient number, since it is larger than the sum of its proper divisors (1).

94380409 is an equidigital number, since it uses as much as digits as its factorization.

94380409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 94380409 is about 9714.9580029972. The cubic root of 94380409 is about 455.2961224960.

The spelling of 94380409 in words is "ninety-four million, three hundred eighty thousand, four hundred nine".