2828605 has 8 divisors (see below), whose sum is σ = 3655512. Its totient is φ = 2088768.

The previous prime is 2828599. The next prime is 2828611. The reversal of 2828605 is 5068282.

It is an interprime number because it is at equal distance from previous prime (2828599) and next prime (2828611).

It can be written as a sum of positive squares in 4 ways, for example, as 181476 + 2647129 = 426^2 + 1627^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2828605 - 2³ = 2828597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21694 + ... + 21823.

It is an arithmetic number, because the mean of its divisors is an integer number (456939).

2^2828605 is an apocalyptic number.

It is an amenable number.

2828605 is a deficient number, since it is larger than the sum of its proper divisors (826907).

2828605 is a wasteful number, since it uses less digits than its factorization.

2828605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43535.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2828605 is about 1681.8457123054. The cubic root of 2828605 is about 141.4243207627.

The spelling of 2828605 in words is "two million, eight hundred twenty-eight thousand, six hundred five".