9494981 has 2 divisors, whose sum is σ = 9494982. Its totient is φ = 9494980.

The previous prime is 9494971. The next prime is 9494999. The reversal of 9494981 is 1894949.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6400900 + 3094081 = 2530^2 + 1759^2 .

It is a cyclic number.

It is not a de Polignac number, because 9494981 - 2⁶ = 9494917 is a prime.

It is a super-2 number, since 2×9494981² = 180309328380722, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9494911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4747490 + 4747491.

It is an arithmetic number, because the mean of its divisors is an integer number (4747491).

Almost surely, 2^9494981 is an apocalyptic number.

It is an amenable number.

9494981 is a deficient number, since it is larger than the sum of its proper divisors (1).

9494981 is an equidigital number, since it uses as much as digits as its factorization.

9494981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 44.

The square root of 9494981 is about 3081.3927046061. The cubic root of 9494981 is about 211.7538751012.

The spelling of 9494981 in words is "nine million, four hundred ninety-four thousand, nine hundred eighty-one".