5446721 has 8 divisors (see below), whose sum is σ = 6267264. Its totient is φ = 4636800.

The previous prime is 5446717. The next prime is 5446723. The reversal of 5446721 is 1276445.

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

It is not a de Polignac number, because 5446721 - 2² = 5446717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5446723) 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, 1520 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (783408).

Almost surely, 2^5446721 is an apocalyptic number.

It is an amenable number.

5446721 is a deficient number, since it is larger than the sum of its proper divisors (820543).

5446721 is a wasteful number, since it uses less digits than its factorization.

5446721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311.

The product of its digits is 6720, while the sum is 29.

The square root of 5446721 is about 2333.8211156813. The cubic root of 5446721 is about 175.9455862262.

The spelling of 5446721 in words is "five million, four hundred forty-six thousand, seven hundred twenty-one".