1384857632 has 24 divisors (see below), whose sum is σ = 2784450816. Its totient is φ = 677695552.

The previous prime is 1384857631. The next prime is 1384857641. The reversal of 1384857632 is 2367584831.

It is a super-3 number, since 3×1384857632³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

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 3 ways as a sum of consecutive naturals, for example, 458888 + ... + 461895.

It is an arithmetic number, because the mean of its divisors is an integer number (116018784).

Almost surely, 2^1384857632 is an apocalyptic number.

It is an amenable number.

1384857632 is an abundant number, since it is smaller than the sum of its proper divisors (1399593184).

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

1384857632 is an equidigital number, since it uses as much as digits as its factorization.

1384857632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920840 (or 920832 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 1384857632 is about 37213.6753358224. The cubic root of 1384857632 is about 1114.6410749246.

The spelling of 1384857632 in words is "one billion, three hundred eighty-four million, eight hundred fifty-seven thousand, six hundred thirty-two".