1447393416 has 128 divisors (see below), whose sum is σ = 4257792000. Its totient is φ = 401425920.

The previous prime is 1447393403. The next prime is 1447393471. The reversal of 1447393416 is 6143937441.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1379260 + ... + 1380308.

It is an arithmetic number, because the mean of its divisors is an integer number (33264000).

Almost surely, 2^1447393416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1447393416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2128896000).

1447393416 is an abundant number, since it is smaller than the sum of its proper divisors (2810398584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1447393416 is a wasteful number, since it uses less digits than its factorization.

1447393416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299 (or 1295 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 1447393416 is about 38044.6240091816. The cubic root of 1447393416 is about 1131.1725672669.

The spelling of 1447393416 in words is "one billion, four hundred forty-seven million, three hundred ninety-three thousand, four hundred sixteen".