5638274 has 4 divisors (see below), whose sum is σ = 8457414. Its totient is φ = 2819136.

The previous prime is 5638253. The next prime is 5638277. The reversal of 5638274 is 4728365.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4728365 = 5 ⋅945673.

It can be written as a sum of positive squares in only one way, i.e., 3367225 + 2271049 = 1835^2 + 1507^2 .

It is not an unprimeable number, because it can be changed into a prime (5638277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409567 + ... + 1409570.

Almost surely, 2^5638274 is an apocalyptic number.

5638274 is a deficient number, since it is larger than the sum of its proper divisors (2819140).

5638274 is a wasteful number, since it uses less digits than its factorization.

5638274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819139.

The product of its digits is 40320, while the sum is 35.

The square root of 5638274 is about 2374.5050010476. The cubic root of 5638274 is about 177.9844492580.

Subtracting from 5638274 its reverse (4728365), we obtain a palindrome (909909).

The spelling of 5638274 in words is "five million, six hundred thirty-eight thousand, two hundred seventy-four".