97843445 has 24 divisors (see below), whose sum is σ = 143776800. Its totient is φ = 63558432.

The previous prime is 97843439. The next prime is 97843453. The reversal of 97843445 is 54434879.

It is not a de Polignac number, because 97843445 - 2¹⁸ = 97581301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97843396 and 97843405.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 5855 + ... + 15164.

It is an arithmetic number, because the mean of its divisors is an integer number (5990700).

Almost surely, 2^97843445 is an apocalyptic number.

97843445 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

97843445 is a deficient number, since it is larger than the sum of its proper divisors (45933355).

97843445 is a wasteful number, since it uses less digits than its factorization.

97843445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21057 (or 21050 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 97843445 is about 9891.5845545595. The cubic root of 97843445 is about 460.7979926253.

The spelling of 97843445 in words is "ninety-seven million, eight hundred forty-three thousand, four hundred forty-five".