80396842 has 32 divisors (see below), whose sum is σ = 131991552. Its totient is φ = 36578304.

The previous prime is 80396839. The next prime is 80396843. The reversal of 80396842 is 24869308.

It is a junction number, because it is equal to n+sod(n) for n = 80396795 and 80396804.

It is not an unprimeable number, because it can be changed into a prime (80396843) 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 15 ways as a sum of consecutive naturals, for example, 185458 + ... + 185890.

It is an arithmetic number, because the mean of its divisors is an integer number (4124736).

Almost surely, 2^80396842 is an apocalyptic number.

80396842 is a deficient number, since it is larger than the sum of its proper divisors (51594710).

80396842 is a wasteful number, since it uses less digits than its factorization.

80396842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 80396842 is about 8966.4286089836. The cubic root of 80396842 is about 431.5982383014.

The spelling of 80396842 in words is "eighty million, three hundred ninety-six thousand, eight hundred forty-two".