85804430 has 16 divisors (see below), whose sum is σ = 156981024. Its totient is φ = 33758880.

The previous prime is 85804429. The next prime is 85804441. The reversal of 85804430 is 3440858.

It is a Curzon number.

It is a congruent number.

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, 69722 + ... + 70941.

It is an arithmetic number, because the mean of its divisors is an integer number (9811314).

Almost surely, 2^85804430 is an apocalyptic number.

85804430 is a deficient number, since it is larger than the sum of its proper divisors (71176594).

85804430 is a wasteful number, since it uses less digits than its factorization.

85804430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140731.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 85804430 is about 9263.0680662511. The cubic root of 85804430 is about 441.0656504536.

The spelling of 85804430 in words is "eighty-five million, eight hundred four thousand, four hundred thirty".