94812409 has 2 divisors, whose sum is σ = 94812410. Its totient is φ = 94812408.

The previous prime is 94812329. The next prime is 94812433. The reversal of 94812409 is 90421849.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52925625 + 41886784 = 7275^2 + 6472^2 .

It is a cyclic number.

It is not a de Polignac number, because 94812409 - 2⁹ = 94811897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94812439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47406204 + 47406205.

It is an arithmetic number, because the mean of its divisors is an integer number (47406205).

Almost surely, 2^94812409 is an apocalyptic number.

It is an amenable number.

94812409 is a deficient number, since it is larger than the sum of its proper divisors (1).

94812409 is an equidigital number, since it uses as much as digits as its factorization.

94812409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 94812409 is about 9737.1663742590. The cubic root of 94812409 is about 455.9897289802.

The spelling of 94812409 in words is "ninety-four million, eight hundred twelve thousand, four hundred nine".