87406286 has 12 divisors (see below), whose sum is σ = 144112416. Its totient is φ = 39730020.

The previous prime is 87406283. The next prime is 87406303. The reversal of 87406286 is 68260478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87406283) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180350 + ... + 180833.

It is an arithmetic number, because the mean of its divisors is an integer number (12009368).

Almost surely, 2^87406286 is an apocalyptic number.

87406286 is a deficient number, since it is larger than the sum of its proper divisors (56706130).

87406286 is a wasteful number, since it uses less digits than its factorization.

87406286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361207 (or 361196 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 87406286 is about 9349.1329009700. The cubic root of 87406286 is about 443.7934508534.

The spelling of 87406286 in words is "eighty-seven million, four hundred six thousand, two hundred eighty-six".