82868434 has 16 divisors (see below), whose sum is σ = 137129760. Its totient is φ = 37243360.

The previous prime is 82868417. The next prime is 82868441. The reversal of 82868434 is 43486828.

It is a super-2 number, since 2×82868434² = 13734354707224712, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19204 + ... + 23119.

It is an arithmetic number, because the mean of its divisors is an integer number (8570610).

Almost surely, 2^82868434 is an apocalyptic number.

82868434 is a deficient number, since it is larger than the sum of its proper divisors (54261326).

82868434 is a wasteful number, since it uses less digits than its factorization.

82868434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42425.

The product of its digits is 294912, while the sum is 43.

The square root of 82868434 is about 9103.2100931485. The cubic root of 82868434 is about 435.9764632526.

The spelling of 82868434 in words is "eighty-two million, eight hundred sixty-eight thousand, four hundred thirty-four".