85714385 has 8 divisors (see below), whose sum is σ = 105637416. Its totient is φ = 66718080.

The previous prime is 85714381. The next prime is 85714397. The reversal of 85714385 is 58341758.

It can be written as a sum of positive squares in 4 ways, for example, as 18671041 + 67043344 = 4321^2 + 8188^2 .

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

It is not a de Polignac number, because 85714385 - 2² = 85714381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85714381) 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, 231476 + ... + 231845.

It is an arithmetic number, because the mean of its divisors is an integer number (13204677).

Almost surely, 2^85714385 is an apocalyptic number.

It is an amenable number.

85714385 is a deficient number, since it is larger than the sum of its proper divisors (19923031).

85714385 is a wasteful number, since it uses less digits than its factorization.

85714385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463363.

The product of its digits is 134400, while the sum is 41.

The square root of 85714385 is about 9258.2063597654. The cubic root of 85714385 is about 440.9113085490.

The spelling of 85714385 in words is "eighty-five million, seven hundred fourteen thousand, three hundred eighty-five".