1384399296 has 112 divisors (see below), whose sum is σ = 4651329280. Its totient is φ = 395539200.

The previous prime is 1384399249. The next prime is 1384399297. The reversal of 1384399296 is 6929934831.

1384399296 is a `hidden beast` number, since 1 + 38 + 439 + 92 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×1384399296² = 3833122821530591232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384399297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45130 + ... + 69321.

Almost surely, 2^1384399296 is an apocalyptic number.

1384399296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1384399296 is an abundant number, since it is smaller than the sum of its proper divisors (3266929984).

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

1384399296 is a wasteful number, since it uses less digits than its factorization.

1384399296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114479 (or 114463 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 1384399296 is about 37207.5166599439. The cubic root of 1384399296 is about 1114.5180932088.

The spelling of 1384399296 in words is "one billion, three hundred eighty-four million, three hundred ninety-nine thousand, two hundred ninety-six".