94849981 has 8 divisors (see below), whose sum is σ = 100773720. Its totient is φ = 89103168.

The previous prime is 94849969. The next prime is 94850011. The reversal of 94849981 is 18994849.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22752900 + 72097081 = 4770^2 + 8491^2 .

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 94849981 - 2¹¹ = 94847933 is a prime.

It is a super-2 number, since 2×94849981² = 17993037791400722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94819981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43126 + ... + 45271.

It is an arithmetic number, because the mean of its divisors is an integer number (12596715).

Almost surely, 2^94849981 is an apocalyptic number.

It is an amenable number.

94849981 is a deficient number, since it is larger than the sum of its proper divisors (5923739).

94849981 is a wasteful number, since it uses less digits than its factorization.

94849981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88463.

The product of its digits is 746496, while the sum is 52.

The square root of 94849981 is about 9739.0954918822. The cubic root of 94849981 is about 456.0499538098.

The spelling of 94849981 in words is "ninety-four million, eight hundred forty-nine thousand, nine hundred eighty-one".