1384629772 has 18 divisors (see below), whose sum is σ = 2460350228. Its totient is φ = 681681792.

The previous prime is 1384629767. The next prime is 1384629773. The reversal of 1384629772 is 2779264831.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1384629773) 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 5 ways as a sum of consecutive naturals, for example, 608028 + ... + 610300.

Almost surely, 2^1384629772 is an apocalyptic number.

It is an amenable number.

1384629772 is a deficient number, since it is larger than the sum of its proper divisors (1075720456).

1384629772 is an frugal number, since it uses more digits than its factorization.

1384629772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617 (or 2342 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 1384629772 is about 37210.6137009322. The cubic root of 1384629772 is about 1114.5799384244.

The spelling of 1384629772 in words is "one billion, three hundred eighty-four million, six hundred twenty-nine thousand, seven hundred seventy-two".