93993920 has 56 divisors (see below), whose sum is σ = 224942400. Its totient is φ = 37409792.

The previous prime is 93993899. The next prime is 93993929. The reversal of 93993920 is 2939939.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93993929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75866 + ... + 77094.

Almost surely, 2^93993920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 93993920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112471200).

93993920 is an abundant number, since it is smaller than the sum of its proper divisors (130948480).

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

93993920 is a wasteful number, since it uses less digits than its factorization.

93993920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 44.

The square root of 93993920 is about 9695.0461577034. The cubic root of 93993920 is about 454.6737910590.

The spelling of 93993920 in words is "ninety-three million, nine hundred ninety-three thousand, nine hundred twenty".