85197941 has 6 divisors (see below), whose sum is σ = 86419926. Its totient is φ = 83993000.

The previous prime is 85197901. The next prime is 85197943. The reversal of 85197941 is 14979158.

It can be written as a sum of positive squares in only one way, i.e., 85192900 + 5041 = 9230^2 + 71^2 .

It is not a de Polignac number, because 85197941 - 2¹⁴ = 85181557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85197892 and 85197901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85197943) 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, 3410 + ... + 13491.

It is an arithmetic number, because the mean of its divisors is an integer number (14403321).

Almost surely, 2^85197941 is an apocalyptic number.

It is an amenable number.

85197941 is a deficient number, since it is larger than the sum of its proper divisors (1221985).

85197941 is an equidigital number, since it uses as much as digits as its factorization.

85197941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17043 (or 16972 counting only the distinct ones).

The product of its digits is 90720, while the sum is 44.

The square root of 85197941 is about 9230.2730728836. The cubic root of 85197941 is about 440.0240017899.

The spelling of 85197941 in words is "eighty-five million, one hundred ninety-seven thousand, nine hundred forty-one".