97823424 has 56 divisors (see below), whose sum is σ = 259616448. Its totient is φ = 32508160.

The previous prime is 97823413. The next prime is 97823437. The reversal of 97823424 is 42432879.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89119 + ... + 90209.

It is an arithmetic number, because the mean of its divisors is an integer number (4636008).

Almost surely, 2^97823424 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 97823424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129808224).

97823424 is an abundant number, since it is smaller than the sum of its proper divisors (161793024).

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

97823424 is a wasteful number, since it uses less digits than its factorization.

97823424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1563 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 97823424 is about 9890.5724809032. The cubic root of 97823424 is about 460.7665605557.

The spelling of 97823424 in words is "ninety-seven million, eight hundred twenty-three thousand, four hundred twenty-four".