94891681 has 8 divisors (see below), whose sum is σ = 100138400. Its totient is φ = 89670240.

The previous prime is 94891649. The next prime is 94891691. The reversal of 94891681 is 18619849.

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 94891681 - 2⁵ = 94891649 is a prime.

It is a super-3 number, since 3×94891681³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94891691) 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, 1666 + ... + 13876.

It is an arithmetic number, because the mean of its divisors is an integer number (12517300).

Almost surely, 2^94891681 is an apocalyptic number.

It is an amenable number.

94891681 is a deficient number, since it is larger than the sum of its proper divisors (5246719).

94891681 is a wasteful number, since it uses less digits than its factorization.

94891681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12639.

The product of its digits is 124416, while the sum is 46.

The square root of 94891681 is about 9741.2361125270. The cubic root of 94891681 is about 456.1167768660.

It can be divided in two parts, 948 and 91681, that added together give a palindrome (92629).

The spelling of 94891681 in words is "ninety-four million, eight hundred ninety-one thousand, six hundred eighty-one".