97193520 has 200 divisors, whose sum is σ = 345152016. Its totient is φ = 25339392.

The previous prime is 97193513. The next prime is 97193567. The reversal of 97193520 is 2539179.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 343299 + ... + 343581.

Almost surely, 2^97193520 is an apocalyptic number.

97193520 is a gapful number since it is divisible by the number (90) 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 97193520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172576008).

97193520 is an abundant number, since it is smaller than the sum of its proper divisors (247958496).

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

97193520 is a wasteful number, since it uses less digits than its factorization.

97193520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 97193520 is about 9858.6773960811. The cubic root of 97193520 is about 459.7754417500.

The spelling of 97193520 in words is "ninety-seven million, one hundred ninety-three thousand, five hundred twenty".