2798550 has 60 divisors (see below), whose sum is σ = 7787076. Its totient is φ = 745200.

The previous prime is 2798539. The next prime is 2798597. The reversal of 2798550 is 558972.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 3705 + ... + 4395.

2^2798550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2798550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3893538).

2798550 is an abundant number, since it is smaller than the sum of its proper divisors (4988526).

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

2798550 is a wasteful number, since it uses less digits than its factorization.

2798550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 2798550 is about 1672.8867265897. The cubic root of 2798550 is about 140.9216404804.

The spelling of 2798550 in words is "two million, seven hundred ninety-eight thousand, five hundred fifty".