988621572 has 24 divisors (see below), whose sum is σ = 2309076000. Its totient is φ = 329213056.

The previous prime is 988621567. The next prime is 988621573. The reversal of 988621572 is 275126889.

988621572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×988621572² = 1954745225247502368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (988621573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28197 + ... + 52652.

It is an arithmetic number, because the mean of its divisors is an integer number (96211500).

Almost surely, 2^988621572 is an apocalyptic number.

It is an amenable number.

988621572 is an abundant number, since it is smaller than the sum of its proper divisors (1320454428).

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

988621572 is a wasteful number, since it uses less digits than its factorization.

988621572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81875 (or 81873 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 988621572 is about 31442.3531562127. The cubic root of 988621572 is about 996.1927136333.

The spelling of 988621572 in words is "nine hundred eighty-eight million, six hundred twenty-one thousand, five hundred seventy-two".