2788488 has 24 divisors (see below), whose sum is σ = 7552350. Its totient is φ = 929472.

The previous prime is 2788483. The next prime is 2788523. The reversal of 2788488 is 8848872.

It can be written as a sum of positive squares in only one way, i.e., 2762244 + 26244 = 1662^2 + 162^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2788488² = 15551330652288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2788483) 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, 19293 + ... + 19436.

2^2788488 is an apocalyptic number.

It is an amenable number.

2788488 is an abundant number, since it is smaller than the sum of its proper divisors (4763862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2788488 is a wasteful number, since it uses less digits than its factorization.

2788488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38741 (or 38734 counting only the distinct ones).

The product of its digits is 229376, while the sum is 45.

The square root of 2788488 is about 1669.8766421506. The cubic root of 2788488 is about 140.7525462071.

It can be divided in two parts, 27884 and 88, that added together give a palindrome (27972).

The spelling of 2788488 in words is "two million, seven hundred eighty-eight thousand, four hundred eighty-eight".