2298458 has 4 divisors (see below), whose sum is σ = 3447690. Its totient is φ = 1149228.

The previous prime is 2298427. The next prime is 2298469. The reversal of 2298458 is 8548922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8548922 = 2 ⋅4274461.

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 273529 = 1423^2 + 523^2 .

It is a d-powerful number, because it can be written as 2⁷ + 2²⁰ + 9⁶ + 8 + 4⁸ + 5⁸ + 8⁶ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574613 + ... + 574616.

2^2298458 is an apocalyptic number.

2298458 is a deficient number, since it is larger than the sum of its proper divisors (1149232).

2298458 is a wasteful number, since it uses less digits than its factorization.

2298458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149231.

The product of its digits is 46080, while the sum is 38.

The square root of 2298458 is about 1516.0666212274. The cubic root of 2298458 is about 131.9711063174.

The spelling of 2298458 in words is "two million, two hundred ninety-eight thousand, four hundred fifty-eight".