97731214 has 32 divisors (see below), whose sum is σ = 170507520. Its totient is φ = 41150592.

The previous prime is 97731149. The next prime is 97731223. The reversal of 97731214 is 41213779.

It is a self number, because there is not a number n which added to its sum of digits gives 97731214.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 257677 + ... + 258055.

It is an arithmetic number, because the mean of its divisors is an integer number (5328360).

Almost surely, 2^97731214 is an apocalyptic number.

97731214 is a deficient number, since it is larger than the sum of its proper divisors (72776306).

97731214 is a wasteful number, since it uses less digits than its factorization.

97731214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664.

The product of its digits is 10584, while the sum is 34.

The square root of 97731214 is about 9885.9098721362. The cubic root of 97731214 is about 460.6217396135.

The spelling of 97731214 in words is "ninety-seven million, seven hundred thirty-one thousand, two hundred fourteen".