1834143388 has 24 divisors (see below), whose sum is σ = 4001768064. Its totient is φ = 714601200.

The previous prime is 1834143383. The next prime is 1834143431. The reversal of 1834143388 is 8833414381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1834143383) 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 7 ways as a sum of consecutive naturals, for example, 2977198 + ... + 2977813.

It is an arithmetic number, because the mean of its divisors is an integer number (166740336).

Almost surely, 2^1834143388 is an apocalyptic number.

It is an amenable number.

1834143388 is an abundant number, since it is smaller than the sum of its proper divisors (2167624676).

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

1834143388 is a wasteful number, since it uses less digits than its factorization.

1834143388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955033 (or 5955031 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 1834143388 is about 42826.9002847509. The cubic root of 1834143388 is about 1224.0836435571.

The spelling of 1834143388 in words is "one billion, eight hundred thirty-four million, one hundred forty-three thousand, three hundred eighty-eight".