94681957 has 4 divisors (see below), whose sum is σ = 94701420. Its totient is φ = 94662496.

The previous prime is 94681931. The next prime is 94681999. The reversal of 94681957 is 75918649.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75918649 = 773 ⋅98213.

It can be written as a sum of positive squares in 2 ways, for example, as 77986561 + 16695396 = 8831^2 + 4086^2 .

It is a cyclic number.

It is not a de Polignac number, because 94681957 - 2¹¹ = 94679909 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94681957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94681907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4713 + ... + 14545.

It is an arithmetic number, because the mean of its divisors is an integer number (23675355).

Almost surely, 2^94681957 is an apocalyptic number.

It is an amenable number.

94681957 is a deficient number, since it is larger than the sum of its proper divisors (19463).

94681957 is an equidigital number, since it uses as much as digits as its factorization.

94681957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19462.

The product of its digits is 544320, while the sum is 49.

The square root of 94681957 is about 9730.4654051078. The cubic root of 94681957 is about 455.7805015340.

The spelling of 94681957 in words is "ninety-four million, six hundred eighty-one thousand, nine hundred fifty-seven".