85956434 has 16 divisors (see below), whose sum is σ = 131544000. Its totient is φ = 42115920.

The previous prime is 85956433. The next prime is 85956457. The reversal of 85956434 is 43465958.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (85956433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22817 + ... + 26315.

It is an arithmetic number, because the mean of its divisors is an integer number (8221500).

Almost surely, 2^85956434 is an apocalyptic number.

85956434 is a deficient number, since it is larger than the sum of its proper divisors (45587566).

85956434 is a wasteful number, since it uses less digits than its factorization.

85956434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3745.

The product of its digits is 518400, while the sum is 44.

The square root of 85956434 is about 9271.2692766417. The cubic root of 85956434 is about 441.3259485615.

The spelling of 85956434 in words is "eighty-five million, nine hundred fifty-six thousand, four hundred thirty-four".