988644470 has 64 divisors (see below), whose sum is σ = 1989411840. Its totient is φ = 350716800.

The previous prime is 988644463. The next prime is 988644479. The reversal of 988644470 is 74446889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988644479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803816 + ... + 805044.

It is an arithmetic number, because the mean of its divisors is an integer number (31084560).

Almost surely, 2^988644470 is an apocalyptic number.

988644470 is an abundant number, since it is smaller than the sum of its proper divisors (1000767370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

988644470 is a wasteful number, since it uses less digits than its factorization.

988644470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 988644470 is about 31442.7172807949. The cubic root of 988644470 is about 996.2004046937.

The spelling of 988644470 in words is "nine hundred eighty-eight million, six hundred forty-four thousand, four hundred seventy".