996403693 has 2 divisors, whose sum is σ = 996403694. Its totient is φ = 996403692.

The previous prime is 996403687. The next prime is 996403753. The reversal of 996403693 is 396304699.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 740819524 + 255584169 = 27218^2 + 15987^2 .

It is a cyclic number.

It is not a de Polignac number, because 996403693 - 2¹³ = 996395501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996403613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498201846 + 498201847.

It is an arithmetic number, because the mean of its divisors is an integer number (498201847).

Almost surely, 2^996403693 is an apocalyptic number.

It is an amenable number.

996403693 is a deficient number, since it is larger than the sum of its proper divisors (1).

996403693 is an equidigital number, since it uses as much as digits as its factorization.

996403693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 49.

The square root of 996403693 is about 31565.8627792747. The cubic root of 996403693 is about 998.7997910748.

The spelling of 996403693 in words is "nine hundred ninety-six million, four hundred three thousand, six hundred ninety-three".