97843421 has 8 divisors (see below), whose sum is σ = 105588000. Its totient is φ = 90130032.

The previous prime is 97843411. The next prime is 97843439. The reversal of 97843421 is 12434879.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97843421 - 2¹⁰ = 97842397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97843411) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1055 + ... + 14028.

It is an arithmetic number, because the mean of its divisors is an integer number (13198500).

Almost surely, 2^97843421 is an apocalyptic number.

It is an amenable number.

97843421 is a deficient number, since it is larger than the sum of its proper divisors (7744579).

97843421 is a wasteful number, since it uses less digits than its factorization.

97843421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15595.

The product of its digits is 48384, while the sum is 38.

The square root of 97843421 is about 9891.5833414070. The cubic root of 97843421 is about 460.7979549490.

The spelling of 97843421 in words is "ninety-seven million, eight hundred forty-three thousand, four hundred twenty-one".