105857347 has 4 divisors (see below), whose sum is σ = 106846776. Its totient is φ = 104867920.

The previous prime is 105857327. The next prime is 105857363. The reversal of 105857347 is 743758501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105857347 is a prime.

It is a super-2 number, since 2×105857347² = 22411555827756818, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (105857327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494554 + ... + 494767.

It is an arithmetic number, because the mean of its divisors is an integer number (26711694).

Almost surely, 2^105857347 is an apocalyptic number.

105857347 is a deficient number, since it is larger than the sum of its proper divisors (989429).

105857347 is an equidigital number, since it uses as much as digits as its factorization.

105857347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989428.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 105857347 is about 10288.6999664681. The cubic root of 105857347 is about 473.0499509963.

The spelling of 105857347 in words is "one hundred five million, eight hundred fifty-seven thousand, three hundred forty-seven".