105994518 has 32 divisors (see below), whose sum is σ = 250091520. Its totient is φ = 29306880.

The previous prime is 105994517. The next prime is 105994531. The reversal of 105994518 is 815499501.

It is a super-2 number, since 2×105994518² = 22469675692104648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 105994518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105994517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39403 + ... + 42006.

It is an arithmetic number, because the mean of its divisors is an integer number (7815360).

Almost surely, 2^105994518 is an apocalyptic number.

105994518 is an abundant number, since it is smaller than the sum of its proper divisors (144097002).

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

105994518 is a wasteful number, since it uses less digits than its factorization.

105994518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81452.

The product of its (nonzero) digits is 64800, while the sum is 42.

The square root of 105994518 is about 10295.3639080899. The cubic root of 105994518 is about 473.2541904090.

The spelling of 105994518 in words is "one hundred five million, nine hundred ninety-four thousand, five hundred eighteen".