2174985 has 16 divisors (see below), whose sum is σ = 3866880. Its totient is φ = 1159920.

The previous prime is 2174981. The next prime is 2174999. The reversal of 2174985 is 5894712.

It is not a de Polignac number, because 2174985 - 2² = 2174981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2174981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7921 + ... + 8190.

It is an arithmetic number, because the mean of its divisors is an integer number (241680).

2^2174985 is an apocalyptic number.

It is an amenable number.

2174985 is a deficient number, since it is larger than the sum of its proper divisors (1691895).

2174985 is a wasteful number, since it uses less digits than its factorization.

2174985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16125 (or 16119 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 2174985 is about 1474.7830348902. The cubic root of 2174985 is about 129.5643205966.

The spelling of 2174985 in words is "two million, one hundred seventy-four thousand, nine hundred eighty-five".