2147085 has 12 divisors (see below), whose sum is σ = 3721692. Its totient is φ = 1145088.

The previous prime is 2147081. The next prime is 2147087. The reversal of 2147085 is 5807412.

It can be written as a sum of positive squares in 2 ways, for example, as 459684 + 1687401 = 678^2 + 1299^2 .

It is not a de Polignac number, because 2147085 - 2² = 2147081 is a prime.

2147085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23812 + ... + 23901.

It is an arithmetic number, because the mean of its divisors is an integer number (310141).

2^2147085 is an apocalyptic number.

It is an amenable number.

2147085 is a deficient number, since it is larger than the sum of its proper divisors (1574607).

2147085 is a wasteful number, since it uses less digits than its factorization.

2147085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47724 (or 47721 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 2147085 is about 1465.2934859611. The cubic root of 2147085 is about 129.0079317279.

The spelling of 2147085 in words is "two million, one hundred forty-seven thousand, eighty-five".