94690909 has 2 divisors, whose sum is σ = 94690910. Its totient is φ = 94690908.

The previous prime is 94690891. The next prime is 94690919. The reversal of 94690909 is 90909649.

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., 60140025 + 34550884 = 7755^2 + 5878^2 .

It is a cyclic number.

It is not a de Polignac number, because 94690909 - 2⁹ = 94690397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94690919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47345454 + 47345455.

It is an arithmetic number, because the mean of its divisors is an integer number (47345455).

Almost surely, 2^94690909 is an apocalyptic number.

It is an amenable number.

94690909 is a deficient number, since it is larger than the sum of its proper divisors (1).

94690909 is an equidigital number, since it uses as much as digits as its factorization.

94690909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 46.

The square root of 94690909 is about 9730.9253927877. The cubic root of 94690909 is about 455.7948654762.

The spelling of 94690909 in words is "ninety-four million, six hundred ninety thousand, nine hundred nine".