82860406 has 8 divisors (see below), whose sum is σ = 130832280. Its totient is φ = 39249648.

The previous prime is 82860403. The next prime is 82860413. The reversal of 82860406 is 60406828.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82860403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1090231 + ... + 1090306.

It is an arithmetic number, because the mean of its divisors is an integer number (16354035).

Almost surely, 2^82860406 is an apocalyptic number.

82860406 is a deficient number, since it is larger than the sum of its proper divisors (47971874).

82860406 is a wasteful number, since it uses less digits than its factorization.

82860406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180558.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 82860406 is about 9102.7691391137. The cubic root of 82860406 is about 435.9623841801.

The spelling of 82860406 in words is "eighty-two million, eight hundred sixty thousand, four hundred six".