5440661 has 8 divisors (see below), whose sum is σ = 5760480. Its totient is φ = 5129712.

The previous prime is 5440657. The next prime is 5440703. The reversal of 5440661 is 1660445.

It is a happy number.

5440661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5440661 - 2² = 5440657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5440661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440621) 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, 935 + ... + 3428.

It is an arithmetic number, because the mean of its divisors is an integer number (720060).

Almost surely, 2^5440661 is an apocalyptic number.

It is an amenable number.

5440661 is a deficient number, since it is larger than the sum of its proper divisors (319819).

5440661 is a wasteful number, since it uses less digits than its factorization.

5440661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4435.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 5440661 is about 2332.5224543399. The cubic root of 5440661 is about 175.8803098930.

The spelling of 5440661 in words is "five million, four hundred forty thousand, six hundred sixty-one".