94920009 has 4 divisors (see below), whose sum is σ = 126560016. Its totient is φ = 63280004.

The previous prime is 94919989. The next prime is 94920017. The reversal of 94920009 is 90002949.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 94920009 - 2¹⁵ = 94887241 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (94921009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15819999 + ... + 15820004.

It is an arithmetic number, because the mean of its divisors is an integer number (31640004).

Almost surely, 2^94920009 is an apocalyptic number.

It is an amenable number.

94920009 is a deficient number, since it is larger than the sum of its proper divisors (31640007).

94920009 is a wasteful number, since it uses less digits than its factorization.

94920009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31640006.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 94920009 is about 9742.6900289396. The cubic root of 94920009 is about 456.1621605089.

The spelling of 94920009 in words is "ninety-four million, nine hundred twenty thousand, nine".