1446620447 has 8 divisors (see below), whose sum is σ = 1457935776. Its totient is φ = 1435345632.

The previous prime is 1446620437. The next prime is 1446620459. The reversal of 1446620447 is 7440266441.

It is a happy number.

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 1446620447 - 2¹⁰ = 1446619423 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 1446620447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1446620407) 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, 63638 + ... + 83324.

It is an arithmetic number, because the mean of its divisors is an integer number (182241972).

Almost surely, 2^1446620447 is an apocalyptic number.

1446620447 is a deficient number, since it is larger than the sum of its proper divisors (11315329).

1446620447 is a wasteful number, since it uses less digits than its factorization.

1446620447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20257.

The product of its (nonzero) digits is 129024, while the sum is 38.

The square root of 1446620447 is about 38034.4639373293. The cubic root of 1446620447 is about 1130.9711668245.

Adding to 1446620447 its reverse (7440266441), we get a palindrome (8886886888).

The spelling of 1446620447 in words is "one billion, four hundred forty-six million, six hundred twenty thousand, four hundred forty-seven".