2297858 has 8 divisors (see below), whose sum is σ = 3465228. Its totient is φ = 1142784.

The previous prime is 2297857. The next prime is 2297863. The reversal of 2297858 is 8587922.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1803649 + 494209 = 1343^2 + 703^2 .

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 (2297857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2591 + ... + 3362.

2^2297858 is an apocalyptic number.

2297858 is a deficient number, since it is larger than the sum of its proper divisors (1167370).

2297858 is a wasteful number, since it uses less digits than its factorization.

2297858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148.

The product of its digits is 80640, while the sum is 41.

The square root of 2297858 is about 1515.8687278257. The cubic root of 2297858 is about 131.9596218708.

Subtracting 2297858 from its reverse (8587922), we obtain a square (6290064 = 2508²).

The spelling of 2297858 in words is "two million, two hundred ninety-seven thousand, eight hundred fifty-eight".