94439999 has 4 divisors (see below), whose sum is σ = 94645320. Its totient is φ = 94234680.

The previous prime is 94439993. The next prime is 94440007. The reversal of 94439999 is 99993449.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 94439999 - 2²⁰ = 93391423 is a prime.

It is a super-2 number, since 2×94439999² = 17837826822240002, which contains 22 as substring.

It is a Duffinian number.

94439999 is a modest number, since divided by 9999 gives 9443 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94439993) 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, 101969 + ... + 102890.

It is an arithmetic number, because the mean of its divisors is an integer number (23661330).

Almost surely, 2^94439999 is an apocalyptic number.

94439999 is a deficient number, since it is larger than the sum of its proper divisors (205321).

94439999 is a wasteful number, since it uses less digits than its factorization.

94439999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205320.

The product of its digits is 2834352, while the sum is 56.

The square root of 94439999 is about 9718.0244391543. The cubic root of 94439999 is about 455.3919241149.

The spelling of 94439999 in words is "ninety-four million, four hundred thirty-nine thousand, nine hundred ninety-nine".