2297538 has 32 divisors (see below), whose sum is σ = 5157120. Its totient is φ = 758160.

The previous prime is 2297521. The next prime is 2297543. The reversal of 2297538 is 8357922.

It is a happy number.

It is a super-2 number, since 2×2297538² = 10557361722888, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹⁴ + 2¹⁶ + 9⁵ + 7³ + 5² + 3¹⁰ + 8⁷ .

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8343 + ... + 8613.

It is an arithmetic number, because the mean of its divisors is an integer number (161160).

2^2297538 is an apocalyptic number.

2297538 is an abundant number, since it is smaller than the sum of its proper divisors (2859582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2297538 is a wasteful number, since it uses less digits than its factorization.

2297538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439 (or 433 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 2297538 is about 1515.7631741140. The cubic root of 2297538 is about 131.9534960151.

The spelling of 2297538 in words is "two million, two hundred ninety-seven thousand, five hundred thirty-eight".