97839798 has 16 divisors (see below), whose sum is σ = 223633920. Its totient is φ = 27954216.

The previous prime is 97839793. The next prime is 97839799. The reversal of 97839798 is 89793879.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97839793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164718 + ... + 1164801.

It is an arithmetic number, because the mean of its divisors is an integer number (13977120).

Almost surely, 2^97839798 is an apocalyptic number.

97839798 is an abundant number, since it is smaller than the sum of its proper divisors (125794122).

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

97839798 is a wasteful number, since it uses less digits than its factorization.

97839798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329531.

The product of its digits is 6858432, while the sum is 60.

The square root of 97839798 is about 9891.4002042178. The cubic root of 97839798 is about 460.7922673188.

The spelling of 97839798 in words is "ninety-seven million, eight hundred thirty-nine thousand, seven hundred ninety-eight".