97843407 has 8 divisors (see below), whose sum is σ = 137324160. Its totient is φ = 61795800.

The previous prime is 97843391. The next prime is 97843411. The reversal of 97843407 is 70434879.

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

It is not a de Polignac number, because 97843407 - 2⁴ = 97843391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97843607) 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, 858219 + ... + 858332.

It is an arithmetic number, because the mean of its divisors is an integer number (17165520).

Almost surely, 2^97843407 is an apocalyptic number.

97843407 is a deficient number, since it is larger than the sum of its proper divisors (39480753).

97843407 is a wasteful number, since it uses less digits than its factorization.

97843407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716573.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 97843407 is about 9891.5826337346. The cubic root of 97843407 is about 460.7979329711.

The spelling of 97843407 in words is "ninety-seven million, eight hundred forty-three thousand, four hundred seven".