2800534 has 8 divisors (see below), whose sum is σ = 4582728. Its totient is φ = 1272960.

The previous prime is 2800531. The next prime is 2800541. The reversal of 2800534 is 4350082.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 127297 = 2800534 / (2 + 8 + 0 + 0 + 5 + 3 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2800531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63627 + ... + 63670.

It is an arithmetic number, because the mean of its divisors is an integer number (572841).

2^2800534 is an apocalyptic number.

2800534 is a deficient number, since it is larger than the sum of its proper divisors (1782194).

2800534 is a wasteful number, since it uses less digits than its factorization.

2800534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127310.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2800534 is about 1673.4796084805. The cubic root of 2800534 is about 140.9549342087.

The spelling of 2800534 in words is "two million, eight hundred thousand, five hundred thirty-four".