9987102 has 12 divisors (see below), whose sum is σ = 21638760. Its totient is φ = 3329028.

The previous prime is 9987091. The next prime is 9987113. The reversal of 9987102 is 2017899.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9987091) and next prime (9987113).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 277402 + ... + 277437.

It is an arithmetic number, because the mean of its divisors is an integer number (1803230).

Almost surely, 2^9987102 is an apocalyptic number.

9987102 is an abundant number, since it is smaller than the sum of its proper divisors (11651658).

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

9987102 is a wasteful number, since it uses less digits than its factorization.

9987102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554847 (or 554844 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 9987102 is about 3160.2376492916. The cubic root of 9987102 is about 215.3508028227.

It can be divided in two parts, 998 and 7102, that added together give a square (8100 = 90²).

The spelling of 9987102 in words is "nine million, nine hundred eighty-seven thousand, one hundred two".