94209689 has 8 divisors (see below), whose sum is σ = 110172480. Its totient is φ = 78872976.

The previous prime is 94209653. The next prime is 94209691. The reversal of 94209689 is 98690249.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 94209689 - 2²⁰ = 93161113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94209649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156194 + ... + 156795.

It is an arithmetic number, because the mean of its divisors is an integer number (13771560).

Almost surely, 2^94209689 is an apocalyptic number.

It is an amenable number.

94209689 is a deficient number, since it is larger than the sum of its proper divisors (15962791).

94209689 is a wasteful number, since it uses less digits than its factorization.

94209689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313039.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 94209689 is about 9706.1675753100. The cubic root of 94209689 is about 455.0214360146.

The spelling of 94209689 in words is "ninety-four million, two hundred nine thousand, six hundred eighty-nine".