4440261 has 8 divisors (see below), whose sum is σ = 6766144. Its totient is φ = 2537280.

The previous prime is 4440257. The next prime is 4440323. The reversal of 4440261 is 1620444.

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

It is not a de Polignac number, because 4440261 - 2² = 4440257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 211441 = 4440261 / (4 + 4 + 4 + 0 + 2 + 6 + 1).

4440261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440221) 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, 105700 + ... + 105741.

It is an arithmetic number, because the mean of its divisors is an integer number (845768).

Almost surely, 2^4440261 is an apocalyptic number.

It is an amenable number.

4440261 is a deficient number, since it is larger than the sum of its proper divisors (2325883).

4440261 is a wasteful number, since it uses less digits than its factorization.

4440261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211451.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4440261 is about 2107.1926822196. The cubic root of 4440261 is about 164.3625357886.

The spelling of 4440261 in words is "four million, four hundred forty thousand, two hundred sixty-one".