2158298 has 8 divisors (see below), whose sum is σ = 3261492. Its totient is φ = 1071136.

The previous prime is 2158291. The next prime is 2158301. The reversal of 2158298 is 8928512.

It can be written as a sum of positive squares in 2 ways, for example, as 2111209 + 47089 = 1453^2 + 217^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2158291) 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, 3665 + ... + 4212.

2^2158298 is an apocalyptic number.

2158298 is a deficient number, since it is larger than the sum of its proper divisors (1103194).

2158298 is a wasteful number, since it uses less digits than its factorization.

2158298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8016.

The product of its digits is 11520, while the sum is 35.

The square root of 2158298 is about 1469.1146994023. The cubic root of 2158298 is about 129.2321201855.

The spelling of 2158298 in words is "two million, one hundred fifty-eight thousand, two hundred ninety-eight".