2698145 has 4 divisors (see below), whose sum is σ = 3237780. Its totient is φ = 2158512.

The previous prime is 2698109. The next prime is 2698159. The reversal of 2698145 is 5418962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5418962 = 2 ⋅2709481.

It can be written as a sum of positive squares in 2 ways, for example, as 1731856 + 966289 = 1316^2 + 983^2 .

It is a cyclic number.

It is not a de Polignac number, because 2698145 - 2¹² = 2694049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269810 + ... + 269819.

It is an arithmetic number, because the mean of its divisors is an integer number (809445).

2^2698145 is an apocalyptic number.

It is an amenable number.

2698145 is a deficient number, since it is larger than the sum of its proper divisors (539635).

2698145 is an equidigital number, since it uses as much as digits as its factorization.

2698145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539634.

The product of its digits is 17280, while the sum is 35.

The square root of 2698145 is about 1642.6031170067. The cubic root of 2698145 is about 139.2157682681.

The spelling of 2698145 in words is "two million, six hundred ninety-eight thousand, one hundred forty-five".