97434918 has 48 divisors (see below), whose sum is σ = 243150336. Its totient is φ = 27621360.

The previous prime is 97434917. The next prime is 97434929. The reversal of 97434918 is 81943479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97434913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13555 + ... + 19457.

It is an arithmetic number, because the mean of its divisors is an integer number (5065632).

Almost surely, 2^97434918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97434918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121575168).

97434918 is an abundant number, since it is smaller than the sum of its proper divisors (145715418).

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

97434918 is a wasteful number, since it uses less digits than its factorization.

97434918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6049 (or 6046 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 97434918 is about 9870.9127237556. The cubic root of 97434918 is about 460.1557727006.

The spelling of 97434918 in words is "ninety-seven million, four hundred thirty-four thousand, nine hundred eighteen".