102806086 has 8 divisors (see below), whose sum is σ = 154824264. Its totient is φ = 51198000.

The previous prime is 102806069. The next prime is 102806101. The reversal of 102806086 is 680608201.

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

It is a congruent number.

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, 101895 + ... + 102898.

It is an arithmetic number, because the mean of its divisors is an integer number (19353033).

Almost surely, 2^102806086 is an apocalyptic number.

102806086 is a deficient number, since it is larger than the sum of its proper divisors (52018178).

102806086 is a wasteful number, since it uses less digits than its factorization.

102806086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205046.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 102806086 is about 10139.3336072939. Note that the first 3 decimals coincide. The cubic root of 102806086 is about 468.4604612886.

The spelling of 102806086 in words is "one hundred two million, eight hundred six thousand, eighty-six".