97393506 has 96 divisors (see below), whose sum is σ = 244039680. Its totient is φ = 25310880.

The previous prime is 97393463. The next prime is 97393507. The reversal of 97393506 is 60539379.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97393507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 766815 + ... + 766941.

It is an arithmetic number, because the mean of its divisors is an integer number (2542080).

Almost surely, 2^97393506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97393506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122019840).

97393506 is an abundant number, since it is smaller than the sum of its proper divisors (146646174).

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

97393506 is a wasteful number, since it uses less digits than its factorization.

97393506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 42.

The square root of 97393506 is about 9868.8148224597. The cubic root of 97393506 is about 460.0905713278.

The spelling of 97393506 in words is "ninety-seven million, three hundred ninety-three thousand, five hundred six".