2828691 has 6 divisors (see below), whose sum is σ = 4085900. Its totient is φ = 1885788.

The previous prime is 2828641. The next prime is 2828717. The reversal of 2828691 is 1968282.

2828691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2828691 - 2⁶ = 2828627 is a prime.

It is a Duffinian number.

2828691 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2828611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157141 + ... + 157158.

2^2828691 is an apocalyptic number.

2828691 is a deficient number, since it is larger than the sum of its proper divisors (1257209).

2828691 is a wasteful number, since it uses less digits than its factorization.

2828691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314305 (or 314302 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 2828691 is about 1681.8712792601. The cubic root of 2828691 is about 141.4257540214.

The spelling of 2828691 in words is "two million, eight hundred twenty-eight thousand, six hundred ninety-one".