988621299 has 24 divisors (see below), whose sum is σ = 1468264512. Its totient is φ = 640649520.

The previous prime is 988621273. The next prime is 988621363. The reversal of 988621299 is 992126889.

988621299 is a `hidden beast` number, since 9 + 8 + 8 + 621 + 2 + 9 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-988621299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (988621099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75604 + ... + 87710.

It is an arithmetic number, because the mean of its divisors is an integer number (61177688).

Almost surely, 2^988621299 is an apocalyptic number.

988621299 is a deficient number, since it is larger than the sum of its proper divisors (479643213).

988621299 is a wasteful number, since it uses less digits than its factorization.

988621299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12367 (or 12364 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 988621299 is about 31442.3488149343. The cubic root of 988621299 is about 996.1926219364.

The spelling of 988621299 in words is "nine hundred eighty-eight million, six hundred twenty-one thousand, two hundred ninety-nine".