2828761 has 8 divisors (see below), whose sum is σ = 3129224. Its totient is φ = 2540160.

The previous prime is 2828743. The next prime is 2828767. The reversal of 2828761 is 1678282.

It can be written as a sum of positive squares in 4 ways, for example, as 921600 + 1907161 = 960^2 + 1381^2 .

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 2828761 - 2⁷ = 2828633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2828767) 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, 2460 + ... + 3421.

It is an arithmetic number, because the mean of its divisors is an integer number (391153).

2^2828761 is an apocalyptic number.

It is an amenable number.

2828761 is a deficient number, since it is larger than the sum of its proper divisors (300463).

2828761 is a wasteful number, since it uses less digits than its factorization.

2828761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5931.

The product of its digits is 10752, while the sum is 34.

The square root of 2828761 is about 1681.8920892852. The cubic root of 2828761 is about 141.4269206059.

The spelling of 2828761 in words is "two million, eight hundred twenty-eight thousand, seven hundred sixty-one".