806140434 has 32 divisors (see below), whose sum is σ = 1819506240. Its totient is φ = 235860800.

The previous prime is 806140429. The next prime is 806140451. The reversal of 806140434 is 434041608.

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, 208677 + ... + 212504.

It is an arithmetic number, because the mean of its divisors is an integer number (56859570).

Almost surely, 2^806140434 is an apocalyptic number.

806140434 is an abundant number, since it is smaller than the sum of its proper divisors (1013365806).

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

806140434 is a wasteful number, since it uses less digits than its factorization.

806140434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421226.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 806140434 is about 28392.6123137692. The cubic root of 806140434 is about 930.6868298973.

The spelling of 806140434 in words is "eight hundred six million, one hundred forty thousand, four hundred thirty-four".