5440069 has 4 divisors (see below), whose sum is σ = 5505696. Its totient is φ = 5374444.

The previous prime is 5440067. The next prime is 5440087. The reversal of 5440069 is 9600445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9600445 = 5 ⋅1920089.

It is a cyclic number.

It is not a de Polignac number, because 5440069 - 2¹ = 5440067 is a prime.

It is a super-2 number, since 2×5440069² = 59188701449522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32689 + ... + 32854.

It is an arithmetic number, because the mean of its divisors is an integer number (1376424).

Almost surely, 2^5440069 is an apocalyptic number.

It is an amenable number.

5440069 is a deficient number, since it is larger than the sum of its proper divisors (65627).

5440069 is an equidigital number, since it uses as much as digits as its factorization.

5440069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65626.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 5440069 is about 2332.3955496442. The cubic root of 5440069 is about 175.8739304647.

The spelling of 5440069 in words is "five million, four hundred forty thousand, sixty-nine".