5440234 has 4 divisors (see below), whose sum is σ = 8160354. Its totient is φ = 2720116.

The previous prime is 5440229. The next prime is 5440241. The reversal of 5440234 is 4320445.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5276209 + 164025 = 2297^2 + 405^2 .

It is a super-2 number, since 2×5440234² = 59192291949512, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360057 + ... + 1360060.

Almost surely, 2^5440234 is an apocalyptic number.

5440234 is a deficient number, since it is larger than the sum of its proper divisors (2720120).

5440234 is a wasteful number, since it uses less digits than its factorization.

5440234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720119.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 5440234 is about 2332.4309207348. The cubic root of 5440234 is about 175.8757085613.

Adding to 5440234 its reverse (4320445), we get a palindrome (9760679).

The spelling of 5440234 in words is "five million, four hundred forty thousand, two hundred thirty-four".