2788450 has 48 divisors (see below), whose sum is σ = 6142464. Its totient is φ = 921600.

The previous prime is 2788447. The next prime is 2788453. The reversal of 2788450 is 548872.

It is an interprime number because it is at equal distance from previous prime (2788447) and next prime (2788453).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2788453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10722 + ... + 10978.

It is an arithmetic number, because the mean of its divisors is an integer number (127968).

2^2788450 is an apocalyptic number.

2788450 is an abundant number, since it is smaller than the sum of its proper divisors (3354014).

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

2788450 is a wasteful number, since it uses less digits than its factorization.

2788450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 2788450 is about 1669.8652640258. The cubic root of 2788450 is about 140.7519068378.

The spelling of 2788450 in words is "two million, seven hundred eighty-eight thousand, four hundred fifty".