1384050321 has 20 divisors (see below), whose sum is σ = 2106548532. Its totient is φ = 905287968.

The previous prime is 1384050301. The next prime is 1384050337. The reversal of 1384050321 is 1230504831.

It is a happy number.

1384050321 is a `hidden beast` number, since 138 + 4 + 0 + 503 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 504631296 + 879419025 = 22464^2 + 29655^2 .

It is not a de Polignac number, because 1384050321 - 2⁹ = 1384049809 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1384050301) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 156906 + ... + 165491.

Almost surely, 2^1384050321 is an apocalyptic number.

It is an amenable number.

1384050321 is a deficient number, since it is larger than the sum of its proper divisors (722498211).

1384050321 is an equidigital number, since it uses as much as digits as its factorization.

1384050321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322462 (or 322453 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1384050321 is about 37202.8267877590. The cubic root of 1384050321 is about 1114.4244372725.

The spelling of 1384050321 in words is "one billion, three hundred eighty-four million, fifty thousand, three hundred twenty-one".