87406210 has 32 divisors (see below), whose sum is σ = 168625152. Its totient is φ = 32535360.

The previous prime is 87406201. The next prime is 87406223. The reversal of 87406210 is 1260478.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3375 + ... + 13645.

It is an arithmetic number, because the mean of its divisors is an integer number (5269536).

Almost surely, 2^87406210 is an apocalyptic number.

87406210 is a deficient number, since it is larger than the sum of its proper divisors (81218942).

87406210 is a wasteful number, since it uses less digits than its factorization.

87406210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 87406210 is about 9349.1288364211. The cubic root of 87406210 is about 443.7933222268.

Adding to 87406210 its reverse (1260478), we get a palindrome (88666688).

It can be divided in two parts, 87406 and 210, that added together give a square (87616 = 296²).

The spelling of 87406210 in words is "eighty-seven million, four hundred six thousand, two hundred ten".