2800104 has 32 divisors (see below), whose sum is σ = 7413120. Its totient is φ = 878336.

The previous prime is 2800103. The next prime is 2800139. The reversal of 2800104 is 4010082.

It is a super-3 number, since 3×2800104³ = 65863338512566574592, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2800103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3024 + ... + 3839.

It is an arithmetic number, because the mean of its divisors is an integer number (231660).

2^2800104 is an apocalyptic number.

2800104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2800104 is an abundant number, since it is smaller than the sum of its proper divisors (4613016).

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

2800104 is a wasteful number, since it uses less digits than its factorization.

2800104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6889 (or 6885 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2800104 is about 1673.3511287234. The cubic root of 2800104 is about 140.9477196651.

Adding to 2800104 its reverse (4010082), we get a palindrome (6810186).

The spelling of 2800104 in words is "two million, eight hundred thousand, one hundred four".