1447479384 has 64 divisors (see below), whose sum is σ = 3908217600. Its totient is φ = 444103296.

The previous prime is 1447479359. The next prime is 1447479389. The reversal of 1447479384 is 4839747441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447479389) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 105547 + ... + 118469.

It is an arithmetic number, because the mean of its divisors is an integer number (61065900).

Almost surely, 2^1447479384 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 1447479384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1954108800).

1447479384 is an abundant number, since it is smaller than the sum of its proper divisors (2460738216).

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

1447479384 is a wasteful number, since it uses less digits than its factorization.

1447479384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13304 (or 13300 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 51.

The square root of 1447479384 is about 38045.7538235215. The cubic root of 1447479384 is about 1131.1949621728.

The spelling of 1447479384 in words is "one billion, four hundred forty-seven million, four hundred seventy-nine thousand, three hundred eighty-four".