2828623 has 6 divisors (see below), whose sum is σ = 3290496. Its totient is φ = 2424492.

The previous prime is 2828611. The next prime is 2828627. The reversal of 2828623 is 3268282.

It is a de Polignac number, because none of the positive numbers 2^k-2828623 is a prime.

It is a super-2 number, since 2×2828623² = 16002216152258, which contains 22 as substring.

It is a Duffinian number.

2828623 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2828627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28815 + ... + 28912.

It is an arithmetic number, because the mean of its divisors is an integer number (548416).

2^2828623 is an apocalyptic number.

2828623 is a deficient number, since it is larger than the sum of its proper divisors (461873).

2828623 is an equidigital number, since it uses as much as digits as its factorization.

2828623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57741 (or 57734 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 2828623 is about 1681.8510635606. The cubic root of 2828623 is about 141.4246207495.

The spelling of 2828623 in words is "two million, eight hundred twenty-eight thousand, six hundred twenty-three".