2684845 has 8 divisors (see below), whose sum is σ = 3247200. Its totient is φ = 2130960.

The previous prime is 2684837. The next prime is 2684881. The reversal of 2684845 is 5484862.

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

It is not a de Polignac number, because 2684845 - 2³ = 2684837 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 6⁷ + 8⁵ + 4⁴ + 8⁷ + 4⁸ + 5⁷ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1395 + ... + 2704.

It is an arithmetic number, because the mean of its divisors is an integer number (405900).

2^2684845 is an apocalyptic number.

It is an amenable number.

2684845 is a deficient number, since it is larger than the sum of its proper divisors (562355).

2684845 is a wasteful number, since it uses less digits than its factorization.

2684845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235.

The product of its digits is 61440, while the sum is 37.

The square root of 2684845 is about 1638.5496635745. The cubic root of 2684845 is about 138.9866453709.

The spelling of 2684845 in words is "two million, six hundred eighty-four thousand, eight hundred forty-five".