1384630544 has 80 divisors (see below), whose sum is σ = 3065053824. Its totient is φ = 599808000.

The previous prime is 1384630543. The next prime is 1384630547. The reversal of 1384630544 is 4450364831.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1384630498 and 1384630507.

It is not an unprimeable number, because it can be changed into a prime (1384630543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1622822 + ... + 1623674.

Almost surely, 2^1384630544 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 1384630544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532526912).

1384630544 is an abundant number, since it is smaller than the sum of its proper divisors (1680423280).

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

1384630544 is a wasteful number, since it uses less digits than its factorization.

1384630544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The square root of 1384630544 is about 37210.6240743151. The cubic root of 1384630544 is about 1114.5801455690.

The spelling of 1384630544 in words is "one billion, three hundred eighty-four million, six hundred thirty thousand, five hundred forty-four".