85814939 has 8 divisors (see below), whose sum is σ = 98423040. Its totient is φ = 73294056.

The previous prime is 85814923. The next prime is 85814947. The reversal of 85814939 is 93941858.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 85814939 - 2⁴ = 85814923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85814893 and 85814902.

It is not an unprimeable number, because it can be changed into a prime (85814999) 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, 19679 + ... + 23640.

It is an arithmetic number, because the mean of its divisors is an integer number (12302880).

Almost surely, 2^85814939 is an apocalyptic number.

85814939 is a deficient number, since it is larger than the sum of its proper divisors (12608101).

85814939 is a wasteful number, since it uses less digits than its factorization.

85814939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43609.

The product of its digits is 311040, while the sum is 47.

The square root of 85814939 is about 9263.6353015433. The cubic root of 85814939 is about 441.0836563992.

The spelling of 85814939 in words is "eighty-five million, eight hundred fourteen thousand, nine hundred thirty-nine".