87418 has 8 divisors (see below), whose sum is σ = 132660. Its totient is φ = 43200.

The previous prime is 87407. The next prime is 87421. The reversal of 87418 is 81478.

It can be written as a sum of positive squares in 2 ways, for example, as 71289 + 16129 = 267^2 + 127^2 .

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

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

It is a plaindrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18 + ... + 418.

2⁸⁷⁴¹⁸ is an apocalyptic number.

87418 is a deficient number, since it is larger than the sum of its proper divisors (45242).

87418 is a wasteful number, since it uses less digits than its factorization.

87418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its digits is 1792, while the sum is 28.

The square root of 87418 is about 295.6653513687. The cubic root of 87418 is about 44.3813275378.

It can be divided in two parts, 87 and 418, that added together give a palindrome (505).

The spelling of 87418 in words is "eighty-seven thousand, four hundred eighteen".