2684745 has 40 divisors (see below), whose sum is σ = 5505984. Its totient is φ = 1226016.

The previous prime is 2684743. The next prime is 2684749. The reversal of 2684745 is 5474862.

It is not a de Polignac number, because 2684745 - 2¹ = 2684743 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2684743) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2362 + ... + 3308.

2^2684745 is an apocalyptic number.

It is an amenable number.

2684745 is an abundant number, since it is smaller than the sum of its proper divisors (2821239).

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

2684745 is an equidigital number, since it uses as much as digits as its factorization.

2684745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 962 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 2684745 is about 1638.5191484996. The cubic root of 2684745 is about 138.9849197794.

The spelling of 2684745 in words is "two million, six hundred eighty-four thousand, seven hundred forty-five".