998867007 has 12 divisors (see below), whose sum is σ = 1446619720. Its totient is φ = 664152048.

The previous prime is 998866987. The next prime is 998867017. The reversal of 998867007 is 700768899.

998867007 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 998867007 - 2¹⁶ = 998801471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998867017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 143008 + ... + 149829.

Almost surely, 2^998867007 is an apocalyptic number.

998867007 is a deficient number, since it is larger than the sum of its proper divisors (447752713).

998867007 is a wasteful number, since it uses less digits than its factorization.

998867007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293222 (or 293219 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 998867007 is about 31604.8573323785. The cubic root of 998867007 is about 999.6221929465.

The spelling of 998867007 in words is "nine hundred ninety-eight million, eight hundred sixty-seven thousand, seven".