1384998912 has 432 divisors, whose sum is σ = 4757931360. Its totient is φ = 401448960.

The previous prime is 1384998877. The next prime is 1384998929. The reversal of 1384998912 is 2198994831.

1384998912 is a `hidden beast` number, since 138 + 499 + 8 + 9 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

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 an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 60217333 + ... + 60217355.

It is an arithmetic number, because the mean of its divisors is an integer number (11013730).

Almost surely, 2^1384998912 is an apocalyptic number.

1384998912 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 1384998912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2378965680).

1384998912 is an abundant number, since it is smaller than the sum of its proper divisors (3372932448).

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

1384998912 is an equidigital number, since it uses as much as digits as its factorization.

1384998912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 39 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 1384998912 is about 37215.5735143233. The cubic root of 1384998912 is about 1114.6789780111.

The spelling of 1384998912 in words is "one billion, three hundred eighty-four million, nine hundred ninety-eight thousand, nine hundred twelve".