105843397 has 8 divisors (see below), whose sum is σ = 115706592. Its totient is φ = 96020400.

The previous prime is 105843379. The next prime is 105843407. The reversal of 105843397 is 793348501.

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 105843397 - 2¹⁵ = 105810629 is a prime.

It is a super-2 number, since 2×105843397² = 22405649376999218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105843337) 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 7 ways as a sum of consecutive naturals, for example, 4398 + ... + 15199.

It is an arithmetic number, because the mean of its divisors is an integer number (14463324).

Almost surely, 2^105843397 is an apocalyptic number.

It is an amenable number.

105843397 is a deficient number, since it is larger than the sum of its proper divisors (9863195).

105843397 is a wasteful number, since it uses less digits than its factorization.

105843397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20099.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 105843397 is about 10288.0220159173. The cubic root of 105843397 is about 473.0291703989.

The spelling of 105843397 in words is "one hundred five million, eight hundred forty-three thousand, three hundred ninety-seven".