988820329 has 16 divisors (see below), whose sum is σ = 1165360896. Its totient is φ = 821376000.

The previous prime is 988820323. The next prime is 988820333. The reversal of 988820329 is 923028889.

It is a cyclic number.

It is not a de Polignac number, because 988820329 - 2¹⁹ = 988296041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (988820323) 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, 31929 + ... + 54745.

It is an arithmetic number, because the mean of its divisors is an integer number (72835056).

Almost surely, 2^988820329 is an apocalyptic number.

It is an amenable number.

988820329 is a deficient number, since it is larger than the sum of its proper divisors (176540567).

988820329 is a wasteful number, since it uses less digits than its factorization.

988820329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23016.

The product of its (nonzero) digits is 497664, while the sum is 49.

The square root of 988820329 is about 31445.5136545740. The cubic root of 988820329 is about 996.2594688722.

The spelling of 988820329 in words is "nine hundred eighty-eight million, eight hundred twenty thousand, three hundred twenty-nine".