996384397 has 2 divisors, whose sum is σ = 996384398. Its totient is φ = 996384396.

The previous prime is 996384391. The next prime is 996384401. The reversal of 996384397 is 793483699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 955180836 + 41203561 = 30906^2 + 6419^2 .

It is a cyclic number.

It is not a de Polignac number, because 996384397 - 2¹¹ = 996382349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996384391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498192198 + 498192199.

It is an arithmetic number, because the mean of its divisors is an integer number (498192199).

Almost surely, 2^996384397 is an apocalyptic number.

996384397 is the 16873-rd centered heptagonal number.

It is an amenable number.

996384397 is a deficient number, since it is larger than the sum of its proper divisors (1).

996384397 is an equidigital number, since it uses as much as digits as its factorization.

996384397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 58.

The square root of 996384397 is about 31565.5571311517. The cubic root of 996384397 is about 998.7933435659.

The spelling of 996384397 in words is "nine hundred ninety-six million, three hundred eighty-four thousand, three hundred ninety-seven".