82868406 has 32 divisors (see below), whose sum is σ = 167989248. Its totient is φ = 27250560.

The previous prime is 82868381. The next prime is 82868413. The reversal of 82868406 is 60486828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191166 + ... + 191598.

It is an arithmetic number, because the mean of its divisors is an integer number (5249664).

Almost surely, 2^82868406 is an apocalyptic number.

82868406 is an abundant number, since it is smaller than the sum of its proper divisors (85120842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82868406 is a wasteful number, since it uses less digits than its factorization.

82868406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796.

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 82868406 is about 9103.2085552293. The cubic root of 82868406 is about 435.9764141493.

The spelling of 82868406 in words is "eighty-two million, eight hundred sixty-eight thousand, four hundred six".