85434893 has 8 divisors (see below), whose sum is σ = 87380088. Its totient is φ = 83510784.

The previous prime is 85434863. The next prime is 85434913. The reversal of 85434893 is 39843458.

It can be written as a sum of positive squares in 4 ways, for example, as 850084 + 84584809 = 922^2 + 9197^2 .

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 85434893 - 2⁶ = 85434829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85434803) 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, 3071 + ... + 13427.

It is an arithmetic number, because the mean of its divisors is an integer number (10922511).

Almost surely, 2^85434893 is an apocalyptic number.

It is an amenable number.

85434893 is a deficient number, since it is larger than the sum of its proper divisors (1945195).

85434893 is a wasteful number, since it uses less digits than its factorization.

85434893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10543.

The product of its digits is 414720, while the sum is 44.

The square root of 85434893 is about 9243.0997506248. The cubic root of 85434893 is about 440.4315548955.

The spelling of 85434893 in words is "eighty-five million, four hundred thirty-four thousand, eight hundred ninety-three".