989247624 has 32 divisors (see below), whose sum is σ = 2484222720. Its totient is φ = 328268736.

The previous prime is 989247619. The next prime is 989247671. The reversal of 989247624 is 426742989.

It is a super-2 number, since 2×989247624² = 1957221723179290752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87067 + ... + 97770.

It is an arithmetic number, because the mean of its divisors is an integer number (77631960).

Almost surely, 2^989247624 is an apocalyptic number.

It is an amenable number.

989247624 is an abundant number, since it is smaller than the sum of its proper divisors (1494975096).

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

989247624 is a wasteful number, since it uses less digits than its factorization.

989247624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185069 (or 185065 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The square root of 989247624 is about 31452.3071331818. The cubic root of 989247624 is about 996.4029514220.

The spelling of 989247624 in words is "nine hundred eighty-nine million, two hundred forty-seven thousand, six hundred twenty-four".