1860085 has 8 divisors (see below), whose sum is σ = 2253240. Its totient is φ = 1473984.

The previous prime is 1860083. The next prime is 1860097. The reversal of 1860085 is 5800681.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 763876 + 1096209 = 874^2 + 1047^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1860085 - 2¹ = 1860083 is a prime.

1860085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1860083) 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, 1162 + ... + 2251.

It is an arithmetic number, because the mean of its divisors is an integer number (281655).

2^1860085 is an apocalyptic number.

It is an amenable number.

1860085 is a deficient number, since it is larger than the sum of its proper divisors (393155).

1860085 is a wasteful number, since it uses less digits than its factorization.

1860085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3527.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1860085 is about 1363.8493318545. The cubic root of 1860085 is about 122.9827679828.

The spelling of 1860085 in words is "one million, eight hundred sixty thousand, eighty-five".