85643346 has 16 divisors (see below), whose sum is σ = 172595808. Its totient is φ = 28329600.

The previous prime is 85643323. The next prime is 85643357. The reversal of 85643346 is 64334658.

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 7 ways as a sum of consecutive naturals, for example, 53695 + ... + 55266.

It is an arithmetic number, because the mean of its divisors is an integer number (10787238).

Almost surely, 2^85643346 is an apocalyptic number.

85643346 is an abundant number, since it is smaller than the sum of its proper divisors (86952462).

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

85643346 is a wasteful number, since it uses less digits than its factorization.

85643346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109097.

The product of its digits is 207360, while the sum is 39.

The square root of 85643346 is about 9254.3690222511. The cubic root of 85643346 is about 440.7894676410.

The spelling of 85643346 in words is "eighty-five million, six hundred forty-three thousand, three hundred forty-six".