2828689 has 8 divisors (see below), whose sum is σ = 2957760. Its totient is φ = 2701776.

The previous prime is 2828641. The next prime is 2828717. The reversal of 2828689 is 9868282.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2828689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2828629) 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, 2514 + ... + 3460.

It is an arithmetic number, because the mean of its divisors is an integer number (369720).

2^2828689 is an apocalyptic number.

2828689 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2828689 is a deficient number, since it is larger than the sum of its proper divisors (129071).

2828689 is a wasteful number, since it uses less digits than its factorization.

2828689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079.

The product of its digits is 110592, while the sum is 43.

The square root of 2828689 is about 1681.8706846842. The cubic root of 2828689 is about 141.4257206902.

The spelling of 2828689 in words is "two million, eight hundred twenty-eight thousand, six hundred eighty-nine".