2800494 has 40 divisors (see below), whose sum is σ = 6403320. Its totient is φ = 914544.

The previous prime is 2800489. The next prime is 2800507. The reversal of 2800494 is 4940082.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9412 + ... + 9704.

It is an arithmetic number, because the mean of its divisors is an integer number (160083).

2^2800494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2800494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3201660).

2800494 is an abundant number, since it is smaller than the sum of its proper divisors (3602826).

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

2800494 is a wasteful number, since it uses less digits than its factorization.

2800494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2800494 is about 1673.4676572913. The cubic root of 2800494 is about 140.9542631195.

The spelling of 2800494 in words is "two million, eight hundred thousand, four hundred ninety-four".