2016945 has 48 divisors (see below), whose sum is σ = 4218240. Its totient is φ = 870912.

The previous prime is 2016943. The next prime is 2016967. The reversal of 2016945 is 5496102.

It is not a de Polignac number, because 2016945 - 2¹ = 2016943 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016943) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5817 + ... + 6153.

It is an arithmetic number, because the mean of its divisors is an integer number (87880).

2^2016945 is an apocalyptic number.

It is an amenable number.

2016945 is an abundant number, since it is smaller than the sum of its proper divisors (2201295).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2016945 is a wasteful number, since it uses less digits than its factorization.

2016945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2016945 is about 1420.1918884432. The cubic root of 2016945 is about 126.3469274935.

The spelling of 2016945 in words is "two million, sixteen thousand, nine hundred forty-five".