80439834 has 16 divisors (see below), whose sum is σ = 162473760. Its totient is φ = 26547600.

The previous prime is 80439829. The next prime is 80439851. The reversal of 80439834 is 43893408.

It is a junction number, because it is equal to n+sod(n) for n = 80439792 and 80439801.

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, 65764 + ... + 66975.

It is an arithmetic number, because the mean of its divisors is an integer number (10154610).

Almost surely, 2^80439834 is an apocalyptic number.

80439834 is an abundant number, since it is smaller than the sum of its proper divisors (82033926).

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

80439834 is a wasteful number, since it uses less digits than its factorization.

80439834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132845.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 80439834 is about 8968.8256756389. The cubic root of 80439834 is about 431.6751566004.

The spelling of 80439834 in words is "eighty million, four hundred thirty-nine thousand, eight hundred thirty-four".