5642238 has 16 divisors (see below), whose sum is σ = 12896640. Its totient is φ = 1612056.

The previous prime is 5642233. The next prime is 5642239. The reversal of 5642238 is 8322465.

It is a d-powerful number, because it can be written as 5⁷ + 6² + 4 + 2²⁰ + 2²² + 3¹⁰ + 8⁶ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67128 + ... + 67211.

It is an arithmetic number, because the mean of its divisors is an integer number (806040).

Almost surely, 2^5642238 is an apocalyptic number.

5642238 is an abundant number, since it is smaller than the sum of its proper divisors (7254402).

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

5642238 is a wasteful number, since it uses less digits than its factorization.

5642238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134351.

The product of its digits is 11520, while the sum is 30.

The square root of 5642238 is about 2375.3395546742. The cubic root of 5642238 is about 178.0261502632.

The spelling of 5642238 in words is "five million, six hundred forty-two thousand, two hundred thirty-eight".