1384375783 has 24 divisors (see below), whose sum is σ = 1655458400. Its totient is φ = 1157666160.

The previous prime is 1384375753. The next prime is 1384375793. The reversal of 1384375783 is 3875734831.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 1384375783 - 2¹³ = 1384367591 is a prime.

It is a super-3 number, since 3×1384375783³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

Its product of digits (1693440) is a multiple of the sum of its prime divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1384375703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33765243 + ... + 33765283.

Almost surely, 2^1384375783 is an apocalyptic number.

1384375783 is a deficient number, since it is larger than the sum of its proper divisors (271082617).

1384375783 is an frugal number, since it uses more digits than its factorization.

1384375783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 48 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 49.

The square root of 1384375783 is about 37207.2006875013. The cubic root of 1384375783 is about 1114.5117834174.

The spelling of 1384375783 in words is "one billion, three hundred eighty-four million, three hundred seventy-five thousand, seven hundred eighty-three".