1384857630 has 96 divisors (see below), whose sum is σ = 3885519456. Its totient is φ = 340192512.

The previous prime is 1384857599. The next prime is 1384857631. The reversal of 1384857630 is 367584831.

1384857630 is a `hidden beast` number, since 1 + 3 + 8 + 4 + 8 + 5 + 7 + 630 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384857631) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 798244 + ... + 799976.

It is an arithmetic number, because the mean of its divisors is an integer number (40474161).

Almost surely, 2^1384857630 is an apocalyptic number.

1384857630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1384857630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1942759728).

1384857630 is an abundant number, since it is smaller than the sum of its proper divisors (2500661826).

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

1384857630 is a wasteful number, since it uses less digits than its factorization.

1384857630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442 (or 2439 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 1384857630 is about 37213.6753089506. The cubic root of 1384857630 is about 1114.6410743880.

The spelling of 1384857630 in words is "one billion, three hundred eighty-four million, eight hundred fifty-seven thousand, six hundred thirty".