998288707 has 16 divisors (see below), whose sum is σ = 1093865472. Its totient is φ = 905536800.

The previous prime is 998288699. The next prime is 998288737. The reversal of 998288707 is 707882899.

It is a cyclic number.

It is not a de Polignac number, because 998288707 - 2³ = 998288699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (998288737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173832 + ... + 179482.

It is an arithmetic number, because the mean of its divisors is an integer number (68366592).

Almost surely, 2^998288707 is an apocalyptic number.

998288707 is a deficient number, since it is larger than the sum of its proper divisors (95576765).

998288707 is a wasteful number, since it uses less digits than its factorization.

998288707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5898.

The product of its (nonzero) digits is 4064256, while the sum is 58.

The square root of 998288707 is about 31595.7070976422. The cubic root of 998288707 is about 999.4292432988.

It can be divided in two parts, 9982 and 88707, that added together give a palindrome (98689).

The spelling of 998288707 in words is "nine hundred ninety-eight million, two hundred eighty-eight thousand, seven hundred seven".