2788546 has 4 divisors (see below), whose sum is σ = 4182822. Its totient is φ = 1394272.

The previous prime is 2788531. The next prime is 2788549. The reversal of 2788546 is 6458872.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2576025 + 212521 = 1605^2 + 461^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2788499 and 2788508.

It is not an unprimeable number, because it can be changed into a prime (2788549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697135 + ... + 697138.

2^2788546 is an apocalyptic number.

2788546 is a deficient number, since it is larger than the sum of its proper divisors (1394276).

2788546 is a wasteful number, since it uses less digits than its factorization.

2788546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394275.

The product of its digits is 107520, while the sum is 40.

The square root of 2788546 is about 1669.8940086125. The cubic root of 2788546 is about 140.7535220754.

The spelling of 2788546 in words is "two million, seven hundred eighty-eight thousand, five hundred forty-six".