2838945 has 16 divisors (see below), whose sum is σ = 4629312. Its totient is φ = 1485120.

The previous prime is 2838937. The next prime is 2839007. The reversal of 2838945 is 5498382.

It is a happy number.

It is not a de Polignac number, because 2838945 - 2³ = 2838937 is a prime.

It is a d-powerful number, because it can be written as 2¹⁹ + 8⁵ + 3¹¹ + 8⁷ + 9⁴ + 4⁵ + 5 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991 + ... + 2580.

It is an arithmetic number, because the mean of its divisors is an integer number (289332).

2^2838945 is an apocalyptic number.

It is an amenable number.

2838945 is a deficient number, since it is larger than the sum of its proper divisors (1790367).

2838945 is a wasteful number, since it uses less digits than its factorization.

2838945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632.

The product of its digits is 69120, while the sum is 39.

The square root of 2838945 is about 1684.9169118980. The cubic root of 2838945 is about 141.5964373166.

The spelling of 2838945 in words is "two million, eight hundred thirty-eight thousand, nine hundred forty-five".