1384650481 has 4 divisors (see below), whose sum is σ = 1395220464. Its totient is φ = 1374080500.

The previous prime is 1384650473. The next prime is 1384650497. The reversal of 1384650481 is 1840564831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1384650481 - 2³ = 1384650473 is a prime.

It is a super-2 number, since 2×1384650481² = 3834513909067062722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1384650451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5284795 + ... + 5285056.

It is an arithmetic number, because the mean of its divisors is an integer number (348805116).

Almost surely, 2^1384650481 is an apocalyptic number.

It is an amenable number.

1384650481 is a deficient number, since it is larger than the sum of its proper divisors (10569983).

1384650481 is a wasteful number, since it uses less digits than its factorization.

1384650481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10569982.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1384650481 is about 37210.8919672722. The cubic root of 1384650481 is about 1114.5854950773.

The spelling of 1384650481 in words is "one billion, three hundred eighty-four million, six hundred fifty thousand, four hundred eighty-one".