105864843 has 24 divisors (see below), whose sum is σ = 164762832. Its totient is φ = 60286464.

The previous prime is 105864823. The next prime is 105864851. The reversal of 105864843 is 348468501.

It is not a de Polignac number, because 105864843 - 2¹² = 105860747 is a prime.

It is a super-2 number, since 2×105864843² = 22414729966829298, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105864823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48471 + ... + 50607.

It is an arithmetic number, because the mean of its divisors is an integer number (6865118).

Almost surely, 2^105864843 is an apocalyptic number.

105864843 is a deficient number, since it is larger than the sum of its proper divisors (58897989).

105864843 is a wasteful number, since it uses less digits than its factorization.

105864843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491 (or 2484 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 105864843 is about 10289.0642431661. The cubic root of 105864843 is about 473.0611166478.

The spelling of 105864843 in words is "one hundred five million, eight hundred sixty-four thousand, eight hundred forty-three".