1384235844 has 24 divisors (see below), whose sum is σ = 3239043360. Its totient is φ = 460103424.

The previous prime is 1384235843. The next prime is 1384235857. The reversal of 1384235844 is 4485324831.

It is a super-2 number, since 2×1384235844² = 3832217743628784672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1384235796 and 1384235805.

It is not an unprimeable number, because it can be changed into a prime (1384235843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159154 + ... + 167625.

It is an arithmetic number, because the mean of its divisors is an integer number (134960140).

Almost surely, 2^1384235844 is an apocalyptic number.

It is an amenable number.

1384235844 is an abundant number, since it is smaller than the sum of its proper divisors (1854807516).

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

1384235844 is a wasteful number, since it uses less digits than its factorization.

1384235844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327139 (or 327137 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 1384235844 is about 37205.3201034476. The cubic root of 1384235844 is about 1114.4742288455.

The spelling of 1384235844 in words is "one billion, three hundred eighty-four million, two hundred thirty-five thousand, eight hundred forty-four".