82043394 has 32 divisors (see below), whose sum is σ = 176696640. Its totient is φ = 25300992.

The previous prime is 82043371. The next prime is 82043413. The reversal of 82043394 is 49334028.

It is a super-2 number, since 2×82043394² = 13462236998078472, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 799 + ... + 12834.

It is an arithmetic number, because the mean of its divisors is an integer number (5521770).

Almost surely, 2^82043394 is an apocalyptic number.

82043394 is an abundant number, since it is smaller than the sum of its proper divisors (94653246).

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

82043394 is a wasteful number, since it uses less digits than its factorization.

82043394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13714.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 82043394 is about 9057.7808540503. The cubic root of 82043394 is about 434.5247710094.

It can be divided in two parts, 8 and 2043394, that added together give a palindrome (2043402).

The spelling of 82043394 in words is "eighty-two million, forty-three thousand, three hundred ninety-four".