989502240 has 192 divisors, whose sum is σ = 3218890752. Its totient is φ = 255360000.

The previous prime is 989502229. The next prime is 989502287. The reversal of 989502240 is 42205989.

It is a super-2 number, since 2×989502240² = 1958229365930035200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3942115 + ... + 3942365.

It is an arithmetic number, because the mean of its divisors is an integer number (16765056).

Almost surely, 2^989502240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 989502240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1609445376).

989502240 is an abundant number, since it is smaller than the sum of its proper divisors (2229388512).

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

989502240 is a wasteful number, since it uses less digits than its factorization.

989502240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 989502240 is about 31456.3545249605. The cubic root of 989502240 is about 996.4884299765.

The spelling of 989502240 in words is "nine hundred eighty-nine million, five hundred two thousand, two hundred forty".