4320447 has 8 divisors (see below), whose sum is σ = 5855280. Its totient is φ = 2832960.

The previous prime is 4320443. The next prime is 4320461. The reversal of 4320447 is 7440234.

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

It is not a de Polignac number, because 4320447 - 2² = 4320443 is a prime.

4320447 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4320443) 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, 11622 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (731910).

Almost surely, 2^4320447 is an apocalyptic number.

4320447 is a deficient number, since it is larger than the sum of its proper divisors (1534833).

4320447 is a wasteful number, since it uses less digits than its factorization.

4320447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23673.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 4320447 is about 2078.5684977888. The cubic root of 4320447 is about 162.8706741384.

The spelling of 4320447 in words is "four million, three hundred twenty thousand, four hundred forty-seven".