85841393 has 6 divisors (see below), whose sum is σ = 94354722. Its totient is φ = 78037520.

The previous prime is 85841383. The next prime is 85841429. The reversal of 85841393 is 39314858.

It can be written as a sum of positive squares in only one way, i.e., 51595489 + 34245904 = 7183^2 + 5852^2 .

It is not a de Polignac number, because 85841393 - 2⁴ = 85841377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85841393.

It is not an unprimeable number, because it can be changed into a prime (85841303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 354596 + ... + 354837.

It is an arithmetic number, because the mean of its divisors is an integer number (15725787).

Almost surely, 2^85841393 is an apocalyptic number.

It is an amenable number.

85841393 is a deficient number, since it is larger than the sum of its proper divisors (8513329).

85841393 is a wasteful number, since it uses less digits than its factorization.

85841393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709455 (or 709444 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The square root of 85841393 is about 9265.0630327052. The cubic root of 85841393 is about 441.1289757356.

The spelling of 85841393 in words is "eighty-five million, eight hundred forty-one thousand, three hundred ninety-three".