996479801 has 2 divisors, whose sum is σ = 996479802. Its totient is φ = 996479800.

The previous prime is 996479791. The next prime is 996479821. The reversal of 996479801 is 108974699.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 954748201 + 41731600 = 30899^2 + 6460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-996479801 is a prime.

It is not a weakly prime, because it can be changed into another prime (996479821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498239900 + 498239901.

It is an arithmetic number, because the mean of its divisors is an integer number (498239901).

Almost surely, 2^996479801 is an apocalyptic number.

It is an amenable number.

996479801 is a deficient number, since it is larger than the sum of its proper divisors (1).

996479801 is an equidigital number, since it uses as much as digits as its factorization.

996479801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 53.

The square root of 996479801 is about 31567.0682990993. The cubic root of 996479801 is about 998.8252207675.

The spelling of 996479801 in words is "nine hundred ninety-six million, four hundred seventy-nine thousand, eight hundred one".