106686042 has 32 divisors (see below), whose sum is σ = 219663360. Its totient is φ = 34528560.

The previous prime is 106686023. The next prime is 106686071. The reversal of 106686042 is 240686601.

It is a happy number.

It is a super-2 number, since 2×106686042² = 22763823115251528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106685994 and 106686012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27567 + ... + 31197.

It is an arithmetic number, because the mean of its divisors is an integer number (6864480).

Almost surely, 2^106686042 is an apocalyptic number.

106686042 is an abundant number, since it is smaller than the sum of its proper divisors (112977318).

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

106686042 is a wasteful number, since it uses less digits than its factorization.

106686042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 106686042 is about 10328.8935515862. The cubic root of 106686042 is about 474.2811538575.

The spelling of 106686042 in words is "one hundred six million, six hundred eighty-six thousand, forty-two".