97346821 has 16 divisors (see below), whose sum is σ = 114649920. Its totient is φ = 81486720.

The previous prime is 97346819. The next prime is 97346827. The reversal of 97346821 is 12864379.

It is a cyclic number.

It is not a de Polignac number, because 97346821 - 2¹ = 97346819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97346827) by changing a digit.

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, 93721 + ... + 94753.

It is an arithmetic number, because the mean of its divisors is an integer number (7165620).

Almost surely, 2^97346821 is an apocalyptic number.

It is an amenable number.

97346821 is a deficient number, since it is larger than the sum of its proper divisors (17303099).

97346821 is a wasteful number, since it uses less digits than its factorization.

97346821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716.

The product of its digits is 72576, while the sum is 40.

The square root of 97346821 is about 9866.4492599922. The cubic root of 97346821 is about 460.0170456821.

The spelling of 97346821 in words is "ninety-seven million, three hundred forty-six thousand, eight hundred twenty-one".