1447979318 has 16 divisors (see below), whose sum is σ = 2315174400. Its totient is φ = 676826496.

The previous prime is 1447979311. The next prime is 1447979327. The reversal of 1447979318 is 8139797441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1447979318.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1447979311) 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, 137846 + ... + 147977.

It is an arithmetic number, because the mean of its divisors is an integer number (144698400).

Almost surely, 2^1447979318 is an apocalyptic number.

1447979318 is a deficient number, since it is larger than the sum of its proper divisors (867195082).

1447979318 is a wasteful number, since it uses less digits than its factorization.

1447979318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285991.

The product of its digits is 1524096, while the sum is 53.

The square root of 1447979318 is about 38052.3234244638. The cubic root of 1447979318 is about 1131.3251788179.

The spelling of 1447979318 in words is "one billion, four hundred forty-seven million, nine hundred seventy-nine thousand, three hundred eighteen".