87398 has 8 divisors (see below), whose sum is σ = 132840. Its totient is φ = 43120.

The previous prime is 87383. The next prime is 87403. The reversal of 87398 is 89378.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 87398.

It is an unprimeable number.

87398 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 3 ways as a sum of consecutive naturals, for example, 68 + ... + 423.

It is an arithmetic number, because the mean of its divisors is an integer number (16605).

2⁸⁷³⁹⁸ is an apocalyptic number.

87398 is a deficient number, since it is larger than the sum of its proper divisors (45442).

87398 is a wasteful number, since it uses less digits than its factorization.

87398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582.

The product of its digits is 12096, while the sum is 35.

The square root of 87398 is about 295.6315274121. The cubic root of 87398 is about 44.3779426733.

The spelling of 87398 in words is "eighty-seven thousand, three hundred ninety-eight".