1384630566 has 32 divisors (see below), whose sum is σ = 3062406528. Its totient is φ = 413835840.

The previous prime is 1384630561. The next prime is 1384630579. The reversal of 1384630566 is 6650364831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384630561) 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, 138876 + ... + 148511.

It is an arithmetic number, because the mean of its divisors is an integer number (95700204).

Almost surely, 2^1384630566 is an apocalyptic number.

1384630566 is an abundant number, since it is smaller than the sum of its proper divisors (1677775962).

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

1384630566 is a wasteful number, since it uses less digits than its factorization.

1384630566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287476.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 1384630566 is about 37210.6243699296. The cubic root of 1384630566 is about 1114.5801514721.

The spelling of 1384630566 in words is "one billion, three hundred eighty-four million, six hundred thirty thousand, five hundred sixty-six".