2898449 has 4 divisors (see below), whose sum is σ = 3068964. Its totient is φ = 2727936.

The previous prime is 2898421. The next prime is 2898451. The reversal of 2898449 is 9448982.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9448982 = 2 ⋅4724491.

It can be written as a sum of positive squares in 2 ways, for example, as 1517824 + 1380625 = 1232^2 + 1175^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2898449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2898409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85232 + ... + 85265.

It is an arithmetic number, because the mean of its divisors is an integer number (767241).

2^2898449 is an apocalyptic number.

It is an amenable number.

2898449 is a deficient number, since it is larger than the sum of its proper divisors (170515).

2898449 is a wasteful number, since it uses less digits than its factorization.

2898449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170514.

The product of its digits is 165888, while the sum is 44.

The square root of 2898449 is about 1702.4831864074. The cubic root of 2898449 is about 142.5788872735.

It can be divided in two parts, 28 and 98449, that multiplied together give a palindrome (2756572).

The spelling of 2898449 in words is "two million, eight hundred ninety-eight thousand, four hundred forty-nine".