94639 has 8 divisors (see below), whose sum is σ = 105840. Its totient is φ = 84096.

The previous prime is 94621. The next prime is 94649. The reversal of 94639 is 93649.

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

It is a cyclic number.

It is not a de Polignac number, because 94639 - 2¹⁵ = 61871 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 94639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177 + ... + 469.

It is an arithmetic number, because the mean of its divisors is an integer number (13230).

2⁹⁴⁶³⁹ is an apocalyptic number.

94639 is a deficient number, since it is larger than the sum of its proper divisors (11201).

94639 is a wasteful number, since it uses less digits than its factorization.

94639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329.

The product of its digits is 5832, while the sum is 31.

The square root of 94639 is about 307.6345234202. The cubic root of 94639 is about 45.5711562230.

Subtracting from 94639 its reverse (93649), we obtain a triangular number (990 = T₄₄).

The spelling of 94639 in words is "ninety-four thousand, six hundred thirty-nine".