97684434 has 48 divisors (see below), whose sum is σ = 229148640. Its totient is φ = 30841560.

The previous prime is 97684429. The next prime is 97684469. The reversal of 97684434 is 43448679.

It is a self number, because there is not a number n which added to its sum of digits gives 97684434.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16989 + ... + 21999.

It is an arithmetic number, because the mean of its divisors is an integer number (4773930).

Almost surely, 2^97684434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97684434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114574320).

97684434 is an abundant number, since it is smaller than the sum of its proper divisors (131464206).

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

97684434 is a wasteful number, since it uses less digits than its factorization.

97684434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060 (or 5035 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 97684434 is about 9883.5435952901. The cubic root of 97684434 is about 460.5482341862.

The spelling of 97684434 in words is "ninety-seven million, six hundred eighty-four thousand, four hundred thirty-four".