994582397 has 2 divisors, whose sum is σ = 994582398. Its totient is φ = 994582396.

The previous prime is 994582373. The next prime is 994582423. The reversal of 994582397 is 793285499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 915123001 + 79459396 = 30251^2 + 8914^2 .

It is a cyclic number.

It is not a de Polignac number, because 994582397 - 2¹⁰ = 994581373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (994582327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497291198 + 497291199.

It is an arithmetic number, because the mean of its divisors is an integer number (497291199).

Almost surely, 2^994582397 is an apocalyptic number.

It is an amenable number.

994582397 is a deficient number, since it is larger than the sum of its proper divisors (1).

994582397 is an equidigital number, since it uses as much as digits as its factorization.

994582397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4898880, while the sum is 56.

The square root of 994582397 is about 31537.0004439230. Note that the first 3 decimals coincide. The cubic root of 994582397 is about 998.1908613243.

The spelling of 994582397 in words is "nine hundred ninety-four million, five hundred eighty-two thousand, three hundred ninety-seven".