988871490 has 96 divisors (see below), whose sum is σ = 2675889216. Its totient is φ = 262751040.

The previous prime is 988871483. The next prime is 988871491. The reversal of 988871490 is 94178889.

988871490 is a `hidden beast` number, since 9 + 8 + 88 + 71 + 490 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (988871491) 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 47 ways as a sum of consecutive naturals, for example, 905845 + ... + 906935.

It is an arithmetic number, because the mean of its divisors is an integer number (27873846).

Almost surely, 2^988871490 is an apocalyptic number.

988871490 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 988871490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1337944608).

988871490 is an abundant number, since it is smaller than the sum of its proper divisors (1687017726).

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

988871490 is a wasteful number, since it uses less digits than its factorization.

988871490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1486 (or 1474 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 54.

The square root of 988871490 is about 31446.3271305251. The cubic root of 988871490 is about 996.2766505415.

The spelling of 988871490 in words is "nine hundred eighty-eight million, eight hundred seventy-one thousand, four hundred ninety".