97834985 has 16 divisors (see below), whose sum is σ = 122774400. Its totient is φ = 74701440.

The previous prime is 97834973. The next prime is 97834991. The reversal of 97834985 is 58943879.

It is not a de Polignac number, because 97834985 - 2¹⁰ = 97833961 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92741 + ... + 93789.

It is an arithmetic number, because the mean of its divisors is an integer number (7673400).

Almost surely, 2^97834985 is an apocalyptic number.

It is an amenable number.

97834985 is a deficient number, since it is larger than the sum of its proper divisors (24939415).

97834985 is a wasteful number, since it uses less digits than its factorization.

97834985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1888.

The product of its digits is 2177280, while the sum is 53.

The square root of 97834985 is about 9891.1569090779. The cubic root of 97834985 is about 460.7847113289.

The spelling of 97834985 in words is "ninety-seven million, eight hundred thirty-four thousand, nine hundred eighty-five".