5440663 has 4 divisors (see below), whose sum is σ = 5760720. Its totient is φ = 5120608.

The previous prime is 5440657. The next prime is 5440703. The reversal of 5440663 is 3660445.

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

It is a cyclic number.

It is not a de Polignac number, because 5440663 - 2²¹ = 3343511 is a prime.

It is a super-3 number, since 3×5440663³ (a number of 21 digits) contains 333 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 (5440363) 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, 160003 + ... + 160036.

It is an arithmetic number, because the mean of its divisors is an integer number (1440180).

Almost surely, 2^5440663 is an apocalyptic number.

5440663 is a deficient number, since it is larger than the sum of its proper divisors (320057).

5440663 is a wasteful number, since it uses less digits than its factorization.

5440663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320056.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 5440663 is about 2332.5228830603. The cubic root of 5440663 is about 175.8803314443.

The spelling of 5440663 in words is "five million, four hundred forty thousand, six hundred sixty-three".