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86997 = 347617
BaseRepresentation
bin10101001111010101
311102100010
4111033111
510240442
61510433
7511431
oct251725
9142303
1086997
115a3a9
1242419
13307a1
14239c1
151ab9c
hex153d5

86997 has 8 divisors (see below), whose sum is σ = 118656. Its totient is φ = 56672.

The previous prime is 86993. The next prime is 87011. The reversal of 86997 is 79968.

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

It is a cyclic number.

It is not a de Polignac number, because 86997 - 22 = 86993 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 86997.

It is not an unprimeable number, because it can be changed into a prime (86993) 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, 168 + ... + 449.

It is an arithmetic number, because the mean of its divisors is an integer number (14832).

286997 is an apocalyptic number.

It is an amenable number.

86997 is a deficient number, since it is larger than the sum of its proper divisors (31659).

86997 is a wasteful number, since it uses less digits than its factorization.

86997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667.

The product of its digits is 27216, while the sum is 39.

The square root of 86997 is about 294.9525385549. The cubic root of 86997 is about 44.3099668953.

The spelling of 86997 in words is "eighty-six thousand, nine hundred ninety-seven".

Divisors: 1 3 47 141 617 1851 28999 86997