893939424 has 144 divisors (see below), whose sum is σ = 2849470848. Its totient is φ = 240334848.

The previous prime is 893939377. The next prime is 893939437. The reversal of 893939424 is 424939398.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191907 + ... + 196509.

It is an arithmetic number, because the mean of its divisors is an integer number (19787992).

Almost surely, 2^893939424 is an apocalyptic number.

893939424 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 893939424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1424735424).

893939424 is an abundant number, since it is smaller than the sum of its proper divisors (1955531424).

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

893939424 is a wasteful number, since it uses less digits than its factorization.

893939424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657 (or 4632 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 51.

The square root of 893939424 is about 29898.8197760380. The cubic root of 893939424 is about 963.3173084608.

The spelling of 893939424 in words is "eight hundred ninety-three million, nine hundred thirty-nine thousand, four hundred twenty-four".