2840058 has 48 divisors (see below), whose sum is σ = 6781320. Its totient is φ = 853632.

The previous prime is 2840041. The next prime is 2840059. The reversal of 2840058 is 8500482.

It can be written as a sum of positive squares in 4 ways, for example, as 2712609 + 127449 = 1647^2 + 357^2 .

It is not an unprimeable number, because it can be changed into a prime (2840059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12288 + ... + 12516.

2^2840058 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2840058, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3390660).

2840058 is an abundant number, since it is smaller than the sum of its proper divisors (3941262).

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

2840058 is a wasteful number, since it uses less digits than its factorization.

2840058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2840058 is about 1685.2471628815. The cubic root of 2840058 is about 141.6149390539.

The spelling of 2840058 in words is "two million, eight hundred forty thousand, fifty-eight".