97209434 has 96 divisors (see below), whose sum is σ = 196499520. Its totient is φ = 35707392.

The previous prime is 97209433. The next prime is 97209461. The reversal of 97209434 is 43490279.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (97209433) 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, 1171157 + ... + 1171239.

It is an arithmetic number, because the mean of its divisors is an integer number (2046870).

Almost surely, 2^97209434 is an apocalyptic number.

97209434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

97209434 is a wasteful number, since it uses less digits than its factorization.

97209434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 97209434 is about 9859.4844692813. The cubic root of 97209434 is about 459.8005341878.

The spelling of 97209434 in words is "ninety-seven million, two hundred nine thousand, four hundred thirty-four".