918143924 has 12 divisors (see below), whose sum is σ = 1607161248. Its totient is φ = 458955000.

The previous prime is 918143917. The next prime is 918143929. The reversal of 918143924 is 429341819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918143929) 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 3 ways as a sum of consecutive naturals, for example, 10202 + ... + 44049.

It is an arithmetic number, because the mean of its divisors is an integer number (133930104).

Almost surely, 2^918143924 is an apocalyptic number.

It is an amenable number.

918143924 is a deficient number, since it is larger than the sum of its proper divisors (689017324).

918143924 is a wasteful number, since it uses less digits than its factorization.

918143924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58486 (or 58484 counting only the distinct ones).

The product of its digits is 62208, while the sum is 41.

The square root of 918143924 is about 30300.8898219178. The cubic root of 918143924 is about 971.9343283489.

The spelling of 918143924 in words is "nine hundred eighteen million, one hundred forty-three thousand, nine hundred twenty-four".