82415 has 8 divisors (see below), whose sum is σ = 101088. Its totient is φ = 64480.

The previous prime is 82393. The next prime is 82421. The reversal of 82415 is 51428.

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

It is not a de Polignac number, because 82415 - 2⁶ = 82351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110 + ... + 420.

It is an arithmetic number, because the mean of its divisors is an integer number (12636).

2⁸²⁴¹⁵ is an apocalyptic number.

82415 is a deficient number, since it is larger than the sum of its proper divisors (18673).

82415 is a wasteful number, since it uses less digits than its factorization.

82415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369.

The product of its digits is 320, while the sum is 20.

The square root of 82415 is about 287.0801281872. The cubic root of 82415 is about 43.5179826122.

The spelling of 82415 in words is "eighty-two thousand, four hundred fifteen".