85938169 has 4 divisors (see below), whose sum is σ = 88710400. Its totient is φ = 83165940.

The previous prime is 85938163. The next prime is 85938199. The reversal of 85938169 is 96183958.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85938169 is a prime.

It is a super-2 number, since 2×85938169² = 14770737782145122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85938163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1386069 + ... + 1386130.

It is an arithmetic number, because the mean of its divisors is an integer number (22177600).

Almost surely, 2^85938169 is an apocalyptic number.

It is an amenable number.

85938169 is a deficient number, since it is larger than the sum of its proper divisors (2772231).

85938169 is a wasteful number, since it uses less digits than its factorization.

85938169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772230.

The product of its digits is 466560, while the sum is 49.

The square root of 85938169 is about 9270.2841919760. The cubic root of 85938169 is about 441.2946870294.

The spelling of 85938169 in words is "eighty-five million, nine hundred thirty-eight thousand, one hundred sixty-nine".