82840994 has 16 divisors (see below), whose sum is σ = 129539520. Its totient is φ = 39683280.

The previous prime is 82840991. The next prime is 82840997. The reversal of 82840994 is 49904828.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82840991) and next prime (82840997).

It is not an unprimeable number, because it can be changed into a prime (82840991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2147 + ... + 13049.

It is an arithmetic number, because the mean of its divisors is an integer number (8096220).

Almost surely, 2^82840994 is an apocalyptic number.

82840994 is a deficient number, since it is larger than the sum of its proper divisors (46698526).

82840994 is a wasteful number, since it uses less digits than its factorization.

82840994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11065.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 82840994 is about 9101.7028077168. The cubic root of 82840994 is about 435.9283367053.

The spelling of 82840994 in words is "eighty-two million, eight hundred forty thousand, nine hundred ninety-four".