987190 has 16 divisors (see below), whose sum is σ = 1881792. Its totient is φ = 371584.

The previous prime is 987143. The next prime is 987191. The reversal of 987190 is 91789.

It is a super-2 number, since 2×987190² = 1949088192200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987191) by changing a digit.

987190 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2734 + ... + 3073.

It is an arithmetic number, because the mean of its divisors is an integer number (117612).

2⁹⁸⁷¹⁹⁰ is an apocalyptic number.

987190 is a deficient number, since it is larger than the sum of its proper divisors (894602).

987190 is a wasteful number, since it uses less digits than its factorization.

987190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5831.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 987190 is about 993.5743555467. The cubic root of 987190 is about 99.5711636224.

The spelling of 987190 in words is "nine hundred eighty-seven thousand, one hundred ninety".