988834840 has 64 divisors (see below), whose sum is σ = 2546107200. Its totient is φ = 338577408.

The previous prime is 988834813. The next prime is 988834849. The reversal of 988834840 is 48438889.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988834849) 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, 260476 + ... + 264244.

It is an arithmetic number, because the mean of its divisors is an integer number (39782925).

Almost surely, 2^988834840 is an apocalyptic number.

It is an amenable number.

988834840 is an abundant number, since it is smaller than the sum of its proper divisors (1557272360).

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

988834840 is a wasteful number, since it uses less digits than its factorization.

988834840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724 (or 4720 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 52.

The square root of 988834840 is about 31445.7443861646. The cubic root of 988834840 is about 996.2643422383.

The spelling of 988834840 in words is "nine hundred eighty-eight million, eight hundred thirty-four thousand, eight hundred forty".