987351 has 8 divisors (see below), whose sum is σ = 1321200. Its totient is φ = 655872.

The previous prime is 987313. The next prime is 987353. The reversal of 987351 is 153789.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 987351 - 2¹³ = 979159 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981 + ... + 1713.

It is an arithmetic number, because the mean of its divisors is an integer number (165150).

2⁹⁸⁷³⁵¹ is an apocalyptic number.

987351 is a deficient number, since it is larger than the sum of its proper divisors (333849).

987351 is a wasteful number, since it uses less digits than its factorization.

987351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185.

The product of its digits is 7560, while the sum is 33.

The square root of 987351 is about 993.6553728532. The cubic root of 987351 is about 99.5765763210.

The spelling of 987351 in words is "nine hundred eighty-seven thousand, three hundred fifty-one".