2798251 has 8 divisors (see below), whose sum is σ = 2979504. Its totient is φ = 2618880.

The previous prime is 2798233. The next prime is 2798261. The reversal of 2798251 is 1528972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2798251 - 2¹¹ = 2796203 is a prime.

It is a Duffinian number.

2798251 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2798261) 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, 3756 + ... + 4438.

It is an arithmetic number, because the mean of its divisors is an integer number (372438).

2^2798251 is an apocalyptic number.

2798251 is the 1366-th pentagonal number.

2798251 is a deficient number, since it is larger than the sum of its proper divisors (181253).

2798251 is a wasteful number, since it uses less digits than its factorization.

2798251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941.

The product of its digits is 10080, while the sum is 34.

The square root of 2798251 is about 1672.7973577215. The cubic root of 2798251 is about 140.9166215633.

The spelling of 2798251 in words is "two million, seven hundred ninety-eight thousand, two hundred fifty-one".