97393920 has 144 divisors (see below), whose sum is σ = 335150592. Its totient is φ = 23961600.

The previous prime is 97393903. The next prime is 97393921. The reversal of 97393920 is 2939379.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97393921) 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 15 ways as a sum of consecutive naturals, for example, 48945 + ... + 50895.

Almost surely, 2^97393920 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 97393920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167575296).

97393920 is an abundant number, since it is smaller than the sum of its proper divisors (237756672).

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

97393920 is a wasteful number, since it uses less digits than its factorization.

97393920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1988 (or 1974 counting only the distinct ones).

The product of its (nonzero) digits is 91854, while the sum is 42.

The square root of 97393920 is about 9868.8357976004. The cubic root of 97393920 is about 460.0912232440.

The spelling of 97393920 in words is "ninety-seven million, three hundred ninety-three thousand, nine hundred twenty".