2788938 has 16 divisors (see below), whose sum is σ = 6197760. Its totient is φ = 929628.

The previous prime is 2788927. The next prime is 2788939. The reversal of 2788938 is 8398872.

It is a junction number, because it is equal to n+sod(n) for n = 2788893 and 2788902.

It is not an unprimeable number, because it can be changed into a prime (2788939) 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, 25770 + ... + 25877.

It is an arithmetic number, because the mean of its divisors is an integer number (387360).

2^2788938 is an apocalyptic number.

2788938 is an abundant number, since it is smaller than the sum of its proper divisors (3408822).

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

2788938 is a wasteful number, since it uses less digits than its factorization.

2788938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51658 (or 51652 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 2788938 is about 1670.0113772068. The cubic root of 2788938 is about 140.7601172443.

It can be divided in two parts, 278 and 8938, that added together give a square (9216 = 96²).

The spelling of 2788938 in words is "two million, seven hundred eighty-eight thousand, nine hundred thirty-eight".