87406 has 16 divisors (see below), whose sum is σ = 149040. Its totient is φ = 38080.

The previous prime is 87403. The next prime is 87407. The reversal of 87406 is 60478.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570 + ... + 706.

It is an arithmetic number, because the mean of its divisors is an integer number (9315).

2⁸⁷⁴⁰⁶ is an apocalyptic number.

87406 is a deficient number, since it is larger than the sum of its proper divisors (61634).

87406 is a wasteful number, since it uses less digits than its factorization.

87406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 87406 is about 295.6450574591. The cubic root of 87406 is about 44.3792966811.

The spelling of 87406 in words is "eighty-seven thousand, four hundred six".