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86806 = 243403
BaseRepresentation
bin10101001100010110
311102002001
4111030112
510234211
61505514
7511036
oct251426
9142061
1086806
115a245
124229a
1330685
14238c6
151aac1
hex15316

86806 has 4 divisors (see below), whose sum is σ = 130212. Its totient is φ = 43402.

The previous prime is 86783. The next prime is 86813. The reversal of 86806 is 60868.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21700 + ... + 21703.

It is an arithmetic number, because the mean of its divisors is an integer number (32553).

286806 is an apocalyptic number.

86806 is a deficient number, since it is larger than the sum of its proper divisors (43406).

86806 is a wasteful number, since it uses less digits than its factorization.

86806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43405.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 86806 is about 294.6285797407. The cubic root of 86806 is about 44.2775159493.

The spelling of 86806 in words is "eighty-six thousand, eight hundred six".

Divisors: 1 2 43403 86806