2788036 has 6 divisors (see below), whose sum is σ = 4879070. Its totient is φ = 1394016.

The previous prime is 2788033. The next prime is 2788057. The reversal of 2788036 is 6308872.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2722500 + 65536 = 1650^2 + 256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2787992 and 2788010.

It is not an unprimeable number, because it can be changed into a prime (2788033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348501 + ... + 348508.

2^2788036 is an apocalyptic number.

It is an amenable number.

2788036 is a deficient number, since it is larger than the sum of its proper divisors (2091034).

2788036 is a wasteful number, since it uses less digits than its factorization.

2788036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697013 (or 697011 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2788036 is about 1669.7412973272. The cubic root of 2788036 is about 140.7449407009.

The spelling of 2788036 in words is "two million, seven hundred eighty-eight thousand, thirty-six".