998824207 has 2 divisors, whose sum is σ = 998824208. Its totient is φ = 998824206.

The previous prime is 998824199. The next prime is 998824219. The reversal of 998824207 is 702428899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 998824207 - 2³ = 998824199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998824507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499412103 + 499412104.

It is an arithmetic number, because the mean of its divisors is an integer number (499412104).

Almost surely, 2^998824207 is an apocalyptic number.

998824207 is a deficient number, since it is larger than the sum of its proper divisors (1).

998824207 is an equidigital number, since it uses as much as digits as its factorization.

998824207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 998824207 is about 31604.1802140160. The cubic root of 998824207 is about 999.6079152897.

The spelling of 998824207 in words is "nine hundred ninety-eight million, eight hundred twenty-four thousand, two hundred seven".