987210 has 48 divisors (see below), whose sum is σ = 2935296. Its totient is φ = 225504.

The previous prime is 987209. The next prime is 987211. The reversal of 987210 is 12789.

It is an interprime number because it is at equal distance from previous prime (987209) and next prime (987211).

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (987211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154 + ... + 1413.

It is an arithmetic number, because the mean of its divisors is an integer number (61152).

2⁹⁸⁷²¹⁰ is an apocalyptic number.

987210 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 987210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467648).

987210 is an abundant number, since it is smaller than the sum of its proper divisors (1948086).

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

987210 is a wasteful number, since it uses less digits than its factorization.

987210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587 (or 1584 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 987210 is about 993.5844201677. The cubic root of 987210 is about 99.5718360393.

Adding to 987210 its reverse (12789), we get a palindrome (999999).

The spelling of 987210 in words is "nine hundred eighty-seven thousand, two hundred ten".