1384669272 has 32 divisors (see below), whose sum is σ = 3956198400. Its totient is φ = 395619744.

The previous prime is 1384669271. The next prime is 1384669283. The reversal of 1384669272 is 2729664831.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384669271) 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, 4120872 + ... + 4121207.

It is an arithmetic number, because the mean of its divisors is an integer number (123631200).

Almost surely, 2^1384669272 is an apocalyptic number.

1384669272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1384669272 is an abundant number, since it is smaller than the sum of its proper divisors (2571529128).

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

1384669272 is a wasteful number, since it uses less digits than its factorization.

1384669272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8242095 (or 8242091 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 1384669272 is about 37211.1444596911. The cubic root of 1384669272 is about 1114.5905370431.

The spelling of 1384669272 in words is "one billion, three hundred eighty-four million, six hundred sixty-nine thousand, two hundred seventy-two".