1384725888 has 768 divisors, whose sum is σ = 5567486400. Its totient is φ = 334430208.

The previous prime is 1384725883. The next prime is 1384725907. The reversal of 1384725888 is 8885274831.

1384725888 is a `hidden beast` number, since 1 + 384 + 7 + 258 + 8 + 8 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384725883) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 37425006 + ... + 37425042.

Almost surely, 2^1384725888 is an apocalyptic number.

1384725888 is a gapful number since it is divisible by the number (18) 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 1384725888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2783743200).

1384725888 is an abundant number, since it is smaller than the sum of its proper divisors (4182760512).

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

1384725888 is a wasteful number, since it uses less digits than its factorization.

1384725888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 79 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The square root of 1384725888 is about 37211.9051917528. The cubic root of 1384725888 is about 1114.6057278662.

The spelling of 1384725888 in words is "one billion, three hundred eighty-four million, seven hundred twenty-five thousand, eight hundred eighty-eight".