1384780672 has 64 divisors (see below), whose sum is σ = 3015678960. Its totient is φ = 628162560.

The previous prime is 1384780627. The next prime is 1384780673. The reversal of 1384780672 is 2760874831.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384780673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200448 + ... + 1201600.

Almost surely, 2^1384780672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1384780672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507839480).

1384780672 is an abundant number, since it is smaller than the sum of its proper divisors (1630898288).

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

1384780672 is a wasteful number, since it uses less digits than its factorization.

1384780672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031 (or 2019 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 1384780672 is about 37212.6412929800. The cubic root of 1384780672 is about 1114.6204267452.

The spelling of 1384780672 in words is "one billion, three hundred eighty-four million, seven hundred eighty thousand, six hundred seventy-two".