1384629372 has 72 divisors (see below), whose sum is σ = 4012890336. Its totient is φ = 394337664.

The previous prime is 1384629361. The next prime is 1384629373. The reversal of 1384629372 is 2739264831.

1384629372 is a `hidden beast` number, since 1 + 38 + 462 + 93 + 72 = 666.

It is a super-2 number, since 2×1384629372² = 3834396995610228768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) 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 (1384629373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71218 + ... + 88550.

It is an arithmetic number, because the mean of its divisors is an integer number (55734588).

Almost surely, 2^1384629372 is an apocalyptic number.

1384629372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1384629372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2006445168).

1384629372 is an abundant number, since it is smaller than the sum of its proper divisors (2628260964).

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

1384629372 is a wasteful number, since it uses less digits than its factorization.

1384629372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17667 (or 17662 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 1384629372 is about 37210.6083261212. The cubic root of 1384629372 is about 1114.5798310956.

The spelling of 1384629372 in words is "one billion, three hundred eighty-four million, six hundred twenty-nine thousand, three hundred seventy-two".