987400000 has 84 divisors (see below), whose sum is σ = 2449554156. Its totient is φ = 394880000.

The previous prime is 987399953. The next prime is 987400009. The reversal of 987400000 is 4789.

It can be written as a sum of positive squares in 6 ways, for example, as 839145024 + 148254976 = 28968^2 + 12176^2 .

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987400009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197532 + ... + 202468.

It is an arithmetic number, because the mean of its divisors is an integer number (29161359).

Almost surely, 2^987400000 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 987400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224777078).

987400000 is an abundant number, since it is smaller than the sum of its proper divisors (1462154156).

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

987400000 is an frugal number, since it uses more digits than its factorization.

987400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4974 (or 4944 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 987400000 is about 31422.9215700896. The cubic root of 987400000 is about 995.7822354731.

Adding to 987400000 its reverse (4789), we get a palindrome (987404789).

The spelling of 987400000 in words is "nine hundred eighty-seven million, four hundred thousand".