998512607 has 2 divisors, whose sum is σ = 998512608. Its totient is φ = 998512606.

The previous prime is 998512597. The next prime is 998512661. The reversal of 998512607 is 706215899.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 998512607 - 2¹⁴ = 998496223 is a prime.

It is a super-3 number, since 3×998512607³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998512687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499256303 + 499256304.

It is an arithmetic number, because the mean of its divisors is an integer number (499256304).

Almost surely, 2^998512607 is an apocalyptic number.

998512607 is a deficient number, since it is larger than the sum of its proper divisors (1).

998512607 is an equidigital number, since it uses as much as digits as its factorization.

998512607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 47.

The square root of 998512607 is about 31599.2501018616. The cubic root of 998512607 is about 999.5039563147.

The spelling of 998512607 in words is "nine hundred ninety-eight million, five hundred twelve thousand, six hundred seven".