85238361 has 18 divisors (see below), whose sum is σ = 133323918. Its totient is φ = 52453440.

The previous prime is 85238347. The next prime is 85238369. The reversal of 85238361 is 16383258.

It can be written as a sum of positive squares in 3 ways, for example, as 1625625 + 83612736 = 1275^2 + 9144^2 .

It is not a de Polignac number, because 85238361 - 2⁶ = 85238297 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85238369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26500 + ... + 29541.

Almost surely, 2^85238361 is an apocalyptic number.

It is an amenable number.

85238361 is a deficient number, since it is larger than the sum of its proper divisors (48085557).

85238361 is a wasteful number, since it uses less digits than its factorization.

85238361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56073 (or 56057 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 85238361 is about 9232.4623476080. The cubic root of 85238361 is about 440.0935768602.

The spelling of 85238361 in words is "eighty-five million, two hundred thirty-eight thousand, three hundred sixty-one".