82646 has 12 divisors (see below), whose sum is σ = 131076. Its totient is φ = 39060.

The previous prime is 82633. The next prime is 82651. The reversal of 82646 is 64628.

It is a super-2 number, since 2×82646² = 13660722632, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

82646 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1901 + ... + 1943.

It is an arithmetic number, because the mean of its divisors is an integer number (10923).

2⁸²⁶⁴⁶ is an apocalyptic number.

82646 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

82646 is a deficient number, since it is larger than the sum of its proper divisors (48430).

82646 is a wasteful number, since it uses less digits than its factorization.

82646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 76 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 82646 is about 287.4821733604. The cubic root of 82646 is about 43.5586033585.

The spelling of 82646 in words is "eighty-two thousand, six hundred forty-six".