38170085 has 8 divisors (see below), whose sum is σ = 45855096. Its totient is φ = 30502080.

The previous prime is 38170081. The next prime is 38170091. The reversal of 38170085 is 58007183.

It can be written as a sum of positive squares in 4 ways, for example, as 14032516 + 24137569 = 3746^2 + 4913^2 .

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

It is not a de Polignac number, because 38170085 - 2² = 38170081 is a prime.

It is a super-3 number, since 3×38170085³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38170081) 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, 1367 + ... + 8843.

It is an arithmetic number, because the mean of its divisors is an integer number (5731887).

Almost surely, 2^38170085 is an apocalyptic number.

It is an amenable number.

38170085 is a deficient number, since it is larger than the sum of its proper divisors (7685011).

38170085 is a wasteful number, since it uses less digits than its factorization.

38170085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8503.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 38170085 is about 6178.1943154938. The cubic root of 38170085 is about 336.6983920478.

The spelling of 38170085 in words is "thirty-eight million, one hundred seventy thousand, eighty-five".