988644929 has 2 divisors, whose sum is σ = 988644930. Its totient is φ = 988644928.

The previous prime is 988644919. The next prime is 988644941. The reversal of 988644929 is 929446889.

988644929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 970197904 + 18447025 = 31148^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 988644929 - 2¹² = 988640833 is a prime.

It is not a weakly prime, because it can be changed into another prime (988644919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494322464 + 494322465.

It is an arithmetic number, because the mean of its divisors is an integer number (494322465).

Almost surely, 2^988644929 is an apocalyptic number.

It is an amenable number.

988644929 is a deficient number, since it is larger than the sum of its proper divisors (1).

988644929 is an equidigital number, since it uses as much as digits as its factorization.

988644929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8957952, while the sum is 59.

The square root of 988644929 is about 31442.7245797816. The cubic root of 988644929 is about 996.2005588630.

The spelling of 988644929 in words is "nine hundred eighty-eight million, six hundred forty-four thousand, nine hundred twenty-nine".