2798523 has 64 divisors (see below), whose sum is σ = 5483520. Its totient is φ = 1368576.

The previous prime is 2798519. The next prime is 2798527. The reversal of 2798523 is 3258972.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2798519) and next prime (2798527).

It is not a de Polignac number, because 2798523 - 2² = 2798519 is a prime.

2798523 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2798527) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41736 + ... + 41802.

It is an arithmetic number, because the mean of its divisors is an integer number (85680).

2^2798523 is an apocalyptic number.

2798523 is a deficient number, since it is larger than the sum of its proper divisors (2684997).

2798523 is a wasteful number, since it uses less digits than its factorization.

2798523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 107 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2798523 is about 1672.8786566873. The cubic root of 2798523 is about 140.9211872818.

It can be divided in two parts, 2798 and 523, that added together give a triangular number (3321 = T₈₁).

The spelling of 2798523 in words is "two million, seven hundred ninety-eight thousand, five hundred twenty-three".