105840858 has 8 divisors (see below), whose sum is σ = 211681728. Its totient is φ = 35280284.

The previous prime is 105840821. The next prime is 105840859. The reversal of 105840858 is 858048501.

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

105840858 is an admirable number.

It is a super-2 number, since 2×105840858² = 22404574444352328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105840859) 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, 8820066 + ... + 8820077.

It is an arithmetic number, because the mean of its divisors is an integer number (26460216).

Almost surely, 2^105840858 is an apocalyptic number.

105840858 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105840858 is a wasteful number, since it uses less digits than its factorization.

105840858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17640148.

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 105840858 is about 10287.8986192516. The cubic root of 105840858 is about 473.0253879848.

The spelling of 105840858 in words is "one hundred five million, eight hundred forty thousand, eight hundred fifty-eight".